ˇˆ˙ - Town of Cary | Home

66

Transcript of ˇˆ˙ - Town of Cary | Home

Page 1: ˇˆ˙ - Town of Cary | Home
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LANDSCAPE CONTENTSIntroduction....................................................................................................... LAN -1

Submission Requirements ........................................................................................................LAN -1Purpose ............................................................................................................................LAN -1Process ............................................................................................................................LAN -1Applicability .....................................................................................................................LAN -1Site Treatment and Approach ............................................................................................LAN -1Required Landscape Plan Sheet Standards ........................................................................LAN -2Required Elements to be Shown on Landscape Plan Sheets ...............................................LAN -2Required Submissions .......................................................................................................LAN -3Required Landscape Maintenance Plan .............................................................................LAN -4

Buffer Planting Standards............................................................................... LAN -5Purpose and Intent ..................................................................................................................LAN -5

Purpose ............................................................................................................................LAN -5Intent ................................................................................................................................LAN -5Applicability .....................................................................................................................LAN -5

Streetscape Planting Standards ................................................................... LAN -10Purpose and Intent ................................................................................................................LAN -10

Purpose ..........................................................................................................................LAN -10Intent ..............................................................................................................................LAN -10Applicability ...................................................................................................................LAN -10Tree Placement ...............................................................................................................LAN -10Conflict Avoidance .........................................................................................................LAN -10Selection of Plant Materials .............................................................................................LAN -10Sight Distances and Clear Zones .....................................................................................LAN -10

Nonresidential & Multifamily Residential Planting Standards ................ LAN -13Purpose and Intent ................................................................................................................LAN -13

Purpose ..........................................................................................................................LAN -13Intent ..............................................................................................................................LAN -13Applicability ...................................................................................................................LAN -13Foundation Planting ........................................................................................................LAN -13Planter Boxes .................................................................................................................LAN -13Visibility of Storefronts and Signs ....................................................................................LAN -13

Single Family Residential Planting Standards ........................................... LAN -18Purpose and Intent ................................................................................................................LAN -18

Purpose ..........................................................................................................................LAN -18Intent ..............................................................................................................................LAN -18Applicability ...................................................................................................................LAN -18Foundation Planting ........................................................................................................LAN -18Buffers ...........................................................................................................................LAN -18Tree Cover Requirements ...............................................................................................LAN -18

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Vehicular Use Area Planting Standards ...................................................... LAN -20Purpose and Intent ................................................................................................................LAN -20

Purpose ..........................................................................................................................LAN -20Intent ..............................................................................................................................LAN -20Applicability ...................................................................................................................LAN -20Garages and Decks ........................................................................................................LAN -20Surface Lots ...................................................................................................................LAN -20

Stormwater Area Planting Standards ......................................................... LAN -25Purpose and Intent ................................................................................................................LAN -25

Purpose ..........................................................................................................................LAN -25Intent ..............................................................................................................................LAN -25Applicability ...................................................................................................................LAN -25Natural Landscaping .......................................................................................................LAN -25Bioretention ....................................................................................................................LAN -25

Plant Placement .............................................................................................. LAN -30Purpose and Intent ................................................................................................................LAN -30

Purpose ..........................................................................................................................LAN -30Intent ..............................................................................................................................LAN -30Applicability ...................................................................................................................LAN -30Utility Lines and Other Fixed Objects ..............................................................................LAN -30Addition of New Plant Materials .....................................................................................LAN -30Trails ..............................................................................................................................LAN -30

Tree Protection ............................................................................................... LAN -34Purpose and Intent ................................................................................................................LAN -34

Purpose ..........................................................................................................................LAN -34Intent ..............................................................................................................................LAN -34Applicability ...................................................................................................................LAN -34

Planting Details .............................................................................................. LAN -36Purpose and Intent ................................................................................................................LAN -36

Purpose ..........................................................................................................................LAN -36Intent ..............................................................................................................................LAN -36Applicability ...................................................................................................................LAN -36Detail Currency ..............................................................................................................LAN -36Plant Quality ...................................................................................................................LAN -36

Plant Material ................................................................................................. LAN -39Purpose and Intent ................................................................................................................LAN -39

Purpose ..........................................................................................................................LAN -39Intent ..............................................................................................................................LAN -39Applicability ...................................................................................................................LAN -39Plant Nomenclature ........................................................................................................LAN -39

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Irrigation ......................................................................................................... LAN -58Purpose and Intent ................................................................................................................LAN -58

Purpose ..........................................................................................................................LAN -58Intent ..............................................................................................................................LAN -58Applicability ...................................................................................................................LAN -58Definition ........................................................................................................................LAN -58Irrigation System Design Requirements ............................................................................LAN -58Records .........................................................................................................................LAN -59

Definitions and Abbreviations....................................................................... LAN -60

LANDSCAPE ILLUSTRATIONSBuffer Planting Standards............................................................................... LAN -5

LA-1 Type A Opaque ........................................................................................................LAN -6LA-2 Type B Semi-opaque ................................................................................................LAN -7LA-3 Type C Aesthetic ......................................................................................................LAN -8LA-4 Stream/Riparian ........................................................................................................LAN -9

Streetscape Planting Standards ................................................................... LAN -10LA-5 Nonresidential and Multifamily Residential Land Use ................................................ LAN -11LA-6 Single Family Residential Streetscape - Residential Collector Streets ........................LAN -12

Nonresidential & Multifamily Residential Planting Standards ................ LAN -13LA-7 Foundation Planting Detail .......................................................................................LAN -14LA-8 Foundation Planting Requirements ...........................................................................LAN -15LA-9 Arcade with Foundation Planting .............................................................................LAN -16LA-10 Naturally Vegetated Streetscape Turf Maximum ......................................................LAN -17

Single Family Residential Planting Standards ........................................... LAN -18LA-11 Required Landscaping ............................................................................................LAN -19

Vehicular Use Area Planting Standards ...................................................... LAN -20LA-12 Parking Lot Planting Requirements ..........................................................................LAN -21LA-13 Perimeter Screening ...............................................................................................LAN -22LA-14 Perimeter Screening Techniques ..............................................................................LAN -23LA-15 Perimeter Screening Locations ................................................................................LAN -24

Stormwater Area Planting Standards ......................................................... LAN -25LA-16 Bioretention ...........................................................................................................LAN -26LA-17 Bioengineered Bank Stabilization ............................................................................LAN -27LA-18 Screening of Devices ..............................................................................................LAN -28LA-19 Pond-edge Planting ................................................................................................LAN -29

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Plant Placement .............................................................................................. LAN -30LA-20 Tree and Shrub Planting Guidelines .........................................................................LAN -31LA-21 Planting in a Buffer/Streetscape with Existing Trees ..................................................LAN -32LA-22 Path or Sidewalk in Buffer or Planted Area .............................................................LAN -33

Tree Protection ............................................................................................... LAN -34LA-23 Critical Root Zone, Fencing and Signage .................................................................LAN -35

Planting Details .............................................................................................. LAN -36LA-24 Tree Planting ..........................................................................................................LAN -37LA-25 Shrub, Groundcover, and Perennial Planting ............................................................LAN -38

LANDSCAPE TABLESPlant Material ................................................................................................. LAN -39

L-1 Large Deciduous Trees ..............................................................................................LAN -40L-2 Large Evergreen Trees ...............................................................................................LAN -43L-3 Small Deciduous Trees ...............................................................................................LAN -44L-4 Small Evergreen Trees ................................................................................................LAN -47L-5 Deciduous Shrubs ......................................................................................................LAN -48L-6 Evergreen Shrubs ....................................................................................................... LAN -51L-7 Groundcovers and Vines ............................................................................................LAN -54L-8 Ornamental Grasses ...................................................................................................LAN -56

Page 6: ˇˆ˙ - Town of Cary | Home

Town of Cary Community Appearance ManualLAN - �

LANDSCAPE

PurposeCary values its natural and introduced landscape. Landscape Plans are reviewed by the Town staff to ensure that Cary’s natural beauty and sense of place is upheld.

ProcessThe Town of Cary requires that Landscape Plans be submitted as part of the approval process for applicable development plans. Dependent upon the scale and scope of the project, various timelines apply. Refer to the Town’s web page: www.townofcary.org for specific processing time information.

Both the initial plan and the ongoing maintenance of that plan when installed is of concern to the Town. To ensure that what is proposed is actually maintained, the Town requires that a maintenance plan be submitted in conjunction with the plan submission (except for a single family residential lot). The installed landscape shall be maintained in accordance with the guidelines set out in the most current development ordinance.

ApplicabilityThe standards and details apply to both residential and nonresidential uses unless indicated otherwise.

Site Treatment and Approach The Town and its citizens cherish the native and installed landscape of Cary. All plan proposals are strongly encouraged to retain and enhance the existing vegetation on the site. Certain areas such as buffers and streetscapes are required to be preserved unless otherwise permitted in the LDO. The development concepts should reflect the need to integrate development with the site’s landscape through minimal clearing and grading, preservation of vegetation, and a reliance on the natural drainage system when possible. Slopes, berm channels, and swales shall be an integral part of the site’s development as needed. If site development activities disturb or result in the damage or removal of existing vegetation within the buffer areas noted on the plans to be preserved, revegetation and/or payment of a fine is required.

It is assumed that plants shall be installed in accordance with the planting details and written text incorporated within this Manual. Plant types may be selected from the list of suggested plants incorporated in the Manual.

The Town of Cary has adopted water management standards. This is reflected in the plant list, with plants identified as to their degree of drought tolerance. It is the Town’s intention that the community’s landscape reflect the character of the region, while minimizing the need for additional and artificial watering cycles. Non-drought tolerant plants may be appropriate and are acceptable to use in naturally wet areas, bioretention areas, or if an alternative to publicly supplied water for irrigation is used. If the proposed plants are not drought tolerant plants, a note shall be added to the plans indicating why and where they will be used.

Submission RequirementsINtroDuCtIoN

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Town of Cary Community Appearance ManualLAN - �

LANDSCAPE

Required Graphics for Plan Sheets • Shall be drawn at a scale equal to the site and grading plan sheets, but no larger than 1” = 30’ • Shall be drawn clearly and legibly• Sheet size shall be 24” x 36”• Nine sets shall be submitted • All measurements shall be in imperial units (feet, inches, etc.)

Required Elements to be Shown on Plans• Topography - Existing and Proposed• Existing Vegetation

- Limits of preservation for significant existing vegetation- Delineate Critical Root Zone (CRZ) for any plants within ten feet of the edge of the

perimeter of the significant existing vegetation area (Measure CRZ with one foot away from trunk per each one inch of trunk size at the diameter at breast height (DBH)

- Tree survey data for groups of individual and freestanding trees, including survey data of the initial ten interior feet of buffer edge abutting construction area

- Tree protection fencing, including groups of trees and individual trees standing apart from any woods

- Vegetation to be removed shall be shown on the grading plan- Vegetation to remain and to be installed shall be shown on the landscape plan

• Site layout such as buildings, parking, etc. for orientation purposes• Proposed Vegetation

- Streetscape planting, with width dimensioned- Any planting within designated buffer areas that is required to satisfy ordinance

requirements, with widths dimensioned- Planting to enhance the Vehicular Use Area proposed for the site and to satisfy

ordinance requirements concerning this area- Landscape beds and architectural planting surrounding existing and/or proposed

structures on the site (foundation plantings, if allowed by staff)- Symbols designating type, size, and location, with center of each tree noted (shrubs

and groundcovers can be shown as a mass)- Plant Schedule, in chart form, to include scientific and common name, size at

time of installation, method of containment (balled and burlapped, container size, etc.), quantity, and comments

• Planting Details

INtroDuCtIoNSubmission Requirements

Page 8: ˇˆ˙ - Town of Cary | Home

Town of Cary Community Appearance ManualLAN - �

LANDSCAPE

• Existing and Proposed Utility Easements, Rights-of-way, and Electrical Lines- Associated grading area for road widening- Associated clearing area for installation and or relocation- Adequate in size to include room for trench wall sloping or benching, equipment

access, and deposition of soil- Easements for underground utilities shall be combined with driveways and internal

roads wherever possible to minimize the disturbance of preserved areas of native vegetation

• Hardscape items such as sidewalks, plazas, benches, fountains, trash cans, etc., including the items color and material- If more detail is needed, submit a separate hardscape plan

Required Submissions• Building materials samples and color samples - submit with SAC or building and site plan

elevation plan set if proposal is an individual site• Color elevations are required upon submission• Landscape Maintenance Plan • If irrigation must be used, the following must be provided

- Scaled drawing with maximum scale of 1” = 30’ - The irrigation designer’s name, address and phone number should be on the plan- Water supply location (meter, well, etc.), size and static pressure reading before any

pressure reduction- On-site pump location (where applicable)- Backflow prevention device (location, size, winterization techniques to be used, and

installation specifications)- All irrigation components shall be clearly shown as well as the sprinkler throw pattern

of each head - Irrigation zones shall be labeled by number and identified as a turf, shrub or flower

bed zone- The total square footage of irrigated area of each type of zone (turf, shrub or flower

bed), shall be clearly indicated on the plan and on the water budget form- A completed Water Budget Form supplied by The Town of Cary detailing the

irrigation schedule for April through October (run times per cycle, cycles per day, and days per week for each station) and projected water usage per month

- Recommended maintenance schedules for the system- Irrigation systems should be designed by a person having a current CIA/IA “Certified

Irrigation Contractor” (CIC), Certified Irrigation Designer” (CID) status or a Professional Engineer or a Landscape Architect

- As of the date the North Carolina Irrigation Contractors’ Licensing Board begins licensing irrigation contractors, any person engaged in the practice of irrigation construction or contracting, or person who uses the designation “irrigation contractor”, or advertises using any title or description that implies licensure as an irrigation contractor, must be a licensed contractor as required by NCGS Chapter 89G.

INtroDuCtIoNSubmission Requirements

Page 9: ˇˆ˙ - Town of Cary | Home

Town of Cary Community Appearance ManualLAN - �

LANDSCAPE

Required Landscape Maintenance PlanA Landscape Maintenance Plan shall be written out and accompany each Landscape Plan submission with the exception of a single family residential homeowner. The owners of the property and their agents, heirs, or assigns are responsible for the installation, preservation, and maintenance of all planting and physical features shown on the Plan. The Property Owner is to keep the Landscape and Maintenance Plans and test results on file for successional owners and maintenance contractors to comply. It is the Property Owner’s responsibility to maintain the landscape as approved.

The Landscape Maintenance Plan shall include a statement articulating the landscape aesthetic of the plan, with specific comments on the approach to pruning and the desired shaping of plant materials over time. It shall also articulate the strategy to maintain the standard of lighting levels, and timeframes for removing plant growth that may restrict such levels. Pruning is not to be done on any plants within a required buffer, except to mitigate plant damages or to correct structural problems. Use Best Management Practices in maintaining landscaping.

Failure to maintain all planting in accordance with the written plan submitted as a part of the application may constitute a violation of the LDO and may result in fines. When landscape performance is at issue, the Town shall require certain diagnostic actions to be carried out by the Property Owner at his expense, as required. The Property Owner shall be responsible for annual maintenance of the vegetation to include but not be limited to the following.

• Woody Plant Materials Care, using theANSIA300TreeCareOperationsStandards, or latest version, and all parts and supplements

• Fertilization• Pruning, using the AmericanNationalStandardsInstitute(ANSI)- A300-1995-Pruning

Standards, or latest version (only if allowed by ordinance)• Pest Control, using trade accepted integrated pest management principles with the North

Carolina Cooperative Extension Service publication I.P.M.forNorthCarolinaMunicipalities as reference

• Mulching• Mowing• Turf aeration at appropriate time• Soil testing at the time of installation and ongoing if necessary for proper

maintenance - the owner shall keep test results on file and provide them to the Town if landscape performance is at issue

(RefertotheTownofCaryLandDevelopmentOrdinanceforfurtherinformation.)

INtroDuCtIoNSubmission Requirements

Page 10: ˇˆ˙ - Town of Cary | Home

Town of Cary Community Appearance ManualLAN - �

LANDSCAPE

Purpose and Intent

PurposeThe importance of trees as a major amenity in the Town is verified by the extensive tree planting and growth found throughout Cary. The retention of existing natural vegetation or the planting of new trees along public streets will aid in reducing heat and glare in the summer months, reduce year-round carbon dioxide levels and improve the appearance of the community.

Buffers serve an important purpose in establishing and retaining the character of Cary. The emphasis is on the retention and enhancement of native plant materials, with supplemental plant materials and optional fences or walls used to achieve the degree of opacity required. Cary’s buffer planting should be composed of its natural vegetation if the landscape is left undisturbed. Formal streetscape planting in single family residential areas is allowed if the site has been cleared of natural vegetation as allowed in the LDO under certain conditions.

IntentThe Town of Cary expects that a buffer will be maintained in its natural state and will not be excessively pruned or trimmed (LDO 7.2.3(A)) except as necessary to maintain compliance with all other town regulations, such as those prohibiting obstruction of roadway sight distances or obstruction to the free use of public sidewalks or streets. Infectious, invasive, exotic, dead, and damaged trees may be removed if no damage is done to other vegetation.

ApplicabilityBuffer standards apply to both nonresidential and residential properties. Specific requirements for residential developments are listed in the NotES section that are included on this page. These notes apply to BUFFER Type A, Type B, and Type C.

NotES �. Any buffer must perform its function within �-� years.�. No trench-type cutting allowed. Roots should be cut, not ripped.�. Existing trees are preferred over new planting if they achieve the same purpose.�. Recognize the site’s orientation through appropriate plant selection and exposure.�. Limit tree planting within the CRZ of existing trees to no more than ��% encroachment as determined by staff unless

zoning conditions requires total protection of the CRZ. Installation of evergreen plantings into the CRZ may not be allowed if it will cause significant damage to the roots and/or the evergreen plants would not be viable due to the existing tree canopy.

6. Fences, walls, and berms are optional and are not considered a substitute for the required planting.7. If fences or walls are used, they must be set back from either buffer edge a minimum of five (5) feet.8. All fences or walls must meet the requirements of the SAC. The maximum height of a retaining wall adjacent to a

residential development is six (6) feet.9. Plant species are to be selected from the suggested list contained in this Manual.�0. The BUFFER diagrams applies to required streetscapes for residential developments along major collectors and

thoroughfares.11. Fences should not be used for the purpose of enclosing buffers and streetscapes into individual lots (i.e. too much

potential for damage to vegetation by individual homeowners).12. If berms are used within streetscapes and/or buffers, they must be permanently stabilized by appropriate vegetation

and additional plan materials added to enhance the required aesthetic and performance standards. Slopes greater than � to � shall not be stabilized with turf grass, but with other groundcover such as weeping love grass, low junipers, etc.

BuffEr PLANtINg StANDArDS

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Town of Cary Community Appearance ManualLAN - 6

LANDSCAPE

R Z

C

BUFFER WIDTH(SEE TABLE 7.2-1 In THE LDo.)

20’-0

” MAX

.Ty

pIcA

L

20’-0

” MAX

.

TypI

cAL

20’-0” MAX.TypIcAL

5’-0”

MAX

.Ty

pIcA

L

nEW EVERGREEn SHRUBS nEW EVERGREEn TREEopTIonAL FEncE oR WALLnEW DEcIDUoUS TREE EXISTInG TREE To BE SAVED

EXISTInG TREE To BE SAVEDnEW EVERGREEn TREE nEW DEcIDUoUS TREEopTIonAL FEncE oR WALLnEW EVERGREEn SHRUBS

BuffEr PLANtINg StANDArDSLA-� Type A Opaque

section

plan

a a’

a a’

TYPE A BUFFER INTENT Formation of an opaque screen from the ground to a height of at least 6 feet.

MINIMUM PLANTING REQUIREMENTSTrees �0% of all new trees shall be evergreen. Mature height = 60’ H Installed size = �” cal.

Shrubs�00% of all new shrubs shall be evergreen. Mature height = 6’ H Installed size = ��” H

NotES �. Refer to NOTES listed on page LAN-�.

REF SEc:7.2.3(D)(1)(a)

REvISEd:

dETAIL No:

LA-1

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Town of Cary Community Appearance ManualLAN - �

LANDSCAPE

R ZC

BUFFER WIDTH(SEE TABLE 7.2-1 In THE LDo.)

30’-0

” MAX

.

5’-8’

MAX.

30’-0” MAX.

TypIcAL

BuffEr PLANtINg StANDArDS LA-� Type B Semi-opaque

section

plan

B B’

B B’

7.2.3(D)(1)(b)

LA-2

EXISTInG TREE To BE SAVEDnEW EVERGREEn TREE nEW DEcIDUoUS TREEopTIonAL FEncE oR WALLnEW EVERGREEn SHRUBS

tYpe B BUFFeR intent Formation of a semi-opaque screen from the

ground to a height of at least 6 feet.

MiniMUM plantinG ReQUiReMentsTrees ��% of all new trees shall be evergreen. Mature height = �0’ H Installed size= �” cal.

Shrubs ��% of all new shrubs shall be evergreen. Mature height = 6’ H Installed size = ��” H

REF SEc:

REvISEd:

dETAIL No:

nEW EVERGREEn SHRUBS opTIonAL FEncE oR WALLnEW EVERGREEn TREEnEW DEcIDUoUS TREE EXISTInG TREE To BE SAVEDnEW DEcIDUoUS SHRUB

NotES �. Refer to NOTES listed on page

LAN-�.

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Town of Cary Community Appearance ManualLAN - 8

LANDSCAPE

R Z

C

BUFFER WIDTH(SEE TABLE 7.2-1 In THE L.D.o.)

40’-0” MAX.

TypIcAL

BuffEr PLANtINg StANDArDSLA-� Type C Aesthetic

plan

sectionc c’

c c’

EXISTInG TREE To BE SAVEDnEW DEcIDUoUS TREE nEW EVERGREEn TREE opTIonAL FEncE oR WALLnEW SHRUBS

REF SEc:

REvISEd:

dETAIL No:

20’-0” MAX.

TypIcAL

7.2.3(D)(1)(c)

LA-3

tYpe c BUFFeR intent Formation of an intermittent visual obstruction from the

ground to a height of at least �0’.

MiniMUM plantinG ReQUiReMentsTrees Mature height = �0’ H Installed size = �” cal.

Shrubs (30% of buffer should be planted with groups of shrubs) Mature height = ��” H Installed size = �8” H

nEW EVERGREEn TREE

nEW LARGE DEcIDUoUS TREE

nEW SHRUBS

opTIonAL FEncE oR WALL

nEW SMALL DEcIDUoUS TREE

EXISTInG TREE To BE SAVED

NotES �. Refer to NOTES listed on page LAN-�.

Page 14: ˇˆ˙ - Town of Cary | Home

Town of Cary Community Appearance ManualLAN - 9

LANDSCAPE

BuffEr PLANtINg StANDArDSLA-� Urban Transition Buffer

50’ - 0”ZonE 3

20’ - 0”ZonE 2

30’ - 0”ZonE 1

50’ - 0”ZonE 3

20’ - 0”ZonE 2

30’ - 0”ZonE 1

100’ RipaRian BUFFeR FoR a BodY oF wateRZonE 1 - SEVERE DEVELopMEnT RESTRIcTIonS

ZonE 2 - STRIcT DEVELopMEnT RESTRIcTIonS

ZonE 3 - MoDERATE DEVELopMEnT RESTRIcTIonS

NotES�. Existing healthy vegetation within riparian buffers shall be protected during construction

activities utilizing tree protection techniques per the requirements set forth in the Cary LDO and in this Manual.

�. If there is no existing vegetation, the Property Owner is encouraged to plant vegetation to enhance the riparian buffer. For guidelines, contact the Raleigh Regional Office of the Department of Environment and Natural Resources, Division of Water Quality at 919/807-4700.

�. Refer to other Buffer Notes in this Manual and to the Cary LDO for more information regarding buffers. REF SEc:

REvISEd:

dETAIL No:

VARIES

50’ - 0”

100’ - 0”

Top

oF B

Ank

Top

oF B

Ank

�.�.��

LA-4

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Town of Cary Community Appearance ManualLAN - �0

LANDSCAPE

PurposeThe importance of trees as a major amenity is verified by the extensive tree planting found throughout the Town of Cary. The planting of trees along public streets will aid in reducing heat and glare in the summer months, year-round carbon dioxide levels, as well as improving the visual appearance of the community.

IntentThe Town of Cary’s first priority is to preserve the existing native and installed landscape. The streetscape should be created from the native and existing vegetation on the site. If no existing suitable vegetation exists a newly planted streetscape may be developed.

ApplicabilityThese standards apply to both residential and nonresidential development.

Tree PlacementTrees may be planted in a linear arrangement parallel to the street depending on the site’s location, such as within a neotraditional development or if the site fronts on residential streets where lots have direct access to the street; however, a nonlinear arrangement is preferred.

Conflict AvoidanceThe Streetscape shall be designed to minimize conflict between trees, utilities, roadways, sidewalks, sight distance, and street lights. Street trees shall be medium to large deciduous trees, unless the use of smaller trees is required due to conflicts with sight lines or utilities. A certain percentage of evergreen trees are required when the LDO requires an opaque screen.

Selection of Plant MaterialsStreet tree planting patterns are determined by the type of land use found along the street. The reliance on one species is discouraged to reduce risks of future blight conditions.

Sight Distances and Clear ZonesRefer to the Town of Cary Engineering Specifications Section 03000 Figures 4 - 8, and in text 03040 C for information on sight lines and clear zones.

Purpose and IntentStrEEtSCAPE PLANtINg StANDArDS

Page 16: ˇˆ˙ - Town of Cary | Home

Town of Cary Community Appearance ManualLAN - ��

LANDSCAPE

20’-0

” MAX

.(T

ypIc

AL)

STREETScApE WIDTH(MEASURED FRoM R.o.W. LInE)

(SEE LDo SEcTIon 7.2.4(c))MIn. WIDTH = 10’

EXcLUDED FRoM cALcULATIon

EXcLUDED FRoM FRonTAGE cALcULATIon

STREETScApE WIDTH(MEASURED FRoM R.o.W. LInE)

(SEE LDo SEcTIon 7.2.4(c))MIn. WIDTH = 10’

300’-

0” F

RonT

AGE

35’-0

” FRo

nTAG

E

40’-0

” MAX

.

(Typ

IcAL

)

StrEEtSCAPE PLANtINg StANDArDSLA-� Nonresidential and Multifamily Residential Land Use

stReetscape with existinG VeGetation newlY planted stReetscape

EXISTInG TREES To BE SAVED AnD coUnTED ToWARDS REqUIREMEnT oF 40’ o.c. MAX. TREE SpAcInG

saMple calcUlation oF tRees ReQUiRedFRonTAGE cAnopy TREES oRnAMEnTAL TREES 300’ + 35’ = 335’ 335’/40’ = 8.4 = 9 335’/20’ = 16.8 = 17

10’-0” MIn. BUILDInG SETBAck FRoM EXISTInG VEGETATIon

5’-0” MIn. VEHIcULAR USE AREA SETBAck FRoM EXISTInG VEGETATIon

R.o.

W.

R.o.

W.

no EXISTInG TREES:pLAnT LARGE TREES 40’ o.c. MAX. AnD SMALL TREES AT 20’-0” o.c. MAX.

no EXISTInG TREES:pLAnT LARGE TREES 40’ o.c. MAX. AnD SMALL TREES AT 20’-0” o.c. MAX.

no EXISTInG TREES:pLAnT LARGE TREES 40’ o.c. MAX. AnD SMALL TREES AT 20’-0” o.c. MAX.

BUILDInG BUILDInG

nEW cAnopy TREE (Typ.)

nEW UnDERSToRy TREE (Typ.)

REF SEc:

REvISEd:

dETAIL No:NotES�. Alternative techniques for screening are encouraged and can include use of topography, walls, or similar

methods. If an alternative technique is to be used, approval from the Planning Director is required.�. Type A Buffer as the Streetscape planting is required for single family and multifamily residential land use.

LARGE TREES 40’ o.c. MAX.

SMALL TREES 40’ o.c. MAX.

SHRUBS

�.�.�

LA-5

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Town of Cary Community Appearance ManualLAN - ��

LANDSCAPE

StrEEtSCAPE PLANtINg StANDArDS LA-6 Single Family Residential Streetscape - Residential Collector Streets

nEW

STR

EET

TREE

S40

’-0” o

.c. M

AXIM

UM

R

E S

I D E

n T

I A L

coL

LEcT

oR

S T

R E

E T

SInGLE FAMILy RESIDEnTIAL

BUILDInG

REF SEc:

REvISEd:

dETAIL No:

NotES 1. no Small Deciduous tree planting is required along Residential collector Streets (unless used as substitution for

Large Deciduous street trees where overhead utilities are present).2. If Small Deciduous trees are substituted for Large Deciduous street trees, a 20’-0” o.c. spacing is required, 40’-0” o.c. spacing is required for Large Deciduous trees.

�.�.�

LA-6

RIGHT-oF-WAy

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Purpose and Intent

PurposeLandscape standards differ between nonresidential or multifamily residential development and single family residential development. Specific standards for each have been established by the Town of Cary, recognizing the uniqueness of each.

IntentLandscape plantings can be used to bring a human-scale to buildings while enhancing the character of each site. Whether placed against the building wall in a traditional manner, or between the building wall and the vehicular use area in more of ‘building in park’ modernist tradition, the use of vegetation to soften and make more human scaled spaces is supported by the Town of Cary.

ApplicabilityThese standards and drawings refer to all land uses with the exception of single family residential uses.

Foundation PlantingFoundation planting is required to visually break up the mass of buildings and pavement, between sidewalks and buildings or between parking areas and sidewalks. Arcades across a building’s front facade accompanied by tree planting may be used in lieu of shrub plantings and satisfy the requirements for foundation planting.

Planter BoxesSome nonresidential and multifamily complexes may incur a hardship if required to accommodate traditional foundation planting. When this is the case, planter boxes may be used. Although not preferred, an exception allowing the use of planter boxes may be granted by the Planning Director when such action is clearly justified.

Visibility of Storefronts and SignsIt is not the intent of the above mentioned planting standards to obscure storefronts from view.

NoNrESIDENtIAL & MuLtIfAMILy rESIDENtIAL PLANtINg StANDArDS

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NoNrESIDENtIAL & MuLtIfAMILy rESIDENtIAL PLANtINg StANDArDS

LA-� Foundation Planting Detail

4’-0” MIn.

VARIABLE - MAInTAIn 6’ MInIMUM cLEAR AREA FoR BUMpER oVERHAnG

REF SEc:

REvISEd:

dETAIL No:

SHRUBS

GRoUnD- coVERS

7.2.9(B)

LA-7

BUILDInG

FoUnDATIon pLAnTInG (SHRUBS AnD GRoUnDcoVERS)

SIDEWALk

cURB

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NoNrESIDENtIAL & MuLtIfAMILy rESIDENtIAL PLANtINg StANDArDS LA-8 Foundation Planting Requirements

REF SEc:

REvISEd:

dETAIL No:

7.2.9(B)

LA-8

LEnG

TH o

F BU

ILDIn

G =

100’

5’5’

5’5’

15’

15’

++

++

+=

50’

8.5’ 28’ 8.5’

LEnGTH oF BUILDInG = 90’

= 45’+ +

NotES�. Foundation planting shall be designed to break up the mass of the building. The

sum length of this planting must equal at least �0% of the length of that side of the building (or the length of building utilizing foundation planting).

2. Planter boxes are not encouraged. Where no foundation planting beds are possible, permanent planter boxes may be installed ONLY with the permission of the Planning Director.

�. If planter boxes are used, the sum of the planter box lengths must equal at least 50% of the length of that side of the building (or the length of building not utilizing foundation planting).

4. Service/loading areas shall be excluded from these calculations, but screening of these areas must be provided.

5. When vehicles overhang a foundation planting strip, the width of the planting strip must be expanded to six feet.

6. Other options to meet foundation planting requirements are allowed WITH approval from the Planning Director.

SERVIcE AREA WITH ScREEnInG

4’ MIn.(Typ.)

BUILDInG

BETW

EEn

BUILD

InG

WAL

LAn

D VE

HIcU

LAR

USE

AREA

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NoNrESIDENtIAL & MuLtIfAMILy rESIDENtIAL PLANtINg StANDArDSLA-9 Arcade with Foundation Planting

REF SEc:

REvISEd:

dETAIL No:

LEnG

TH o

F BU

ILDIn

G =

100’

60’

8.5’ 28’ 8.5’

LEnGTH oF BUILDInG = 90’

= 45’+ +

NotES�. An arcade at a minimum of 60% of the building’s length on its front facade and ��

feet deep may replace foundation planting along that facade only. �. All other building sides must meet the foundation planting standards.�. If an arcade is used in lieu of foundation planting, a ratio of � tree per �0 linear feet

of nonarcade-clad building wall is required.

SERVIcE AREA WITH ScREEnInG

BUILDInG

20’

20’

7.2.9(B)

LA-9

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REF SEc:

REvISEd:

dETAIL No:

NoNrESIDENtIAL & MuLtIfAMILy rESIDENtIAL PLANtINg StANDArDS LA-�0 Naturally Vegetated Streetscape Turf Maximum

WITHIn nATURALLy VEGETATED AREAS, THE MAXIMUM AMoUnT oF TURF SHALL BE 30% oF THE LAnDScApE AREA

RIGHT-oF-WAy(pUBLIc STREET, SIDEWALk, ETc.)

LA-10

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PurposeThe residential landscape is a critical component in the overall appearance of the Town of Cary.

IntentLandscape plantings on residential properties shall enhance the existing vegetation and natural appearance of the Town, providing attractive transitions between adjacent properties and uses.

ApplicabilityThese standards apply only to single family residential sites, both developed as a subdivision and individually.

Foundation PlantingMany homeowners misunderstand the purpose of foundation planting. Once used to cover unsightly foundations and exposed space under porches and decks, plants were often placed in straight rows, with a taller specimen at each end. That is not the intent of these standards.

Today’s construction style most often incorporates the finish facade materials from the building’s eave to the ground. Foundation planting today refers to the simple massing of plant material in relation to the architecture of the building. This can incorporate beds of low growing plants below windows, massing of plants at the building’s entryway, or a specimen tree in front of a blank facade. Similarly, when large changes in grade occur, and foundation walls are exposed, additional planting may be used. Massing the plant materials in a natural pattern is an effective technique.

Buffers Abutting rear yards of single family residential properties require a semi-opaque buffer between them. See the section on buffers in this Manual for the appropriate standard.

Tree Cover RequirementsTrees are required in both the front and back yards. Their number, location, and size are diagramed in the following drawing.

Purpose and IntentSINgLE fAMILy rESIDENtIAL PLANtINg StANDArDS

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SINgLE fAMILy rESIDENtIAL PLANtINg StANDArDSLA-�� Required Landscaping

REF SEc:

REvISEd:

dETAIL No:

7.2.9(A)

LA-11

FoUndation and shRUB plantinG To BREAk Up MASS oF BUILDInG (75% oF REq’D MATERIAL)

EXISTInG oR nEWLy pLAnTED laRGe tRees (1 In FRonT, 1 In REAR pER REqUIREMEnTS)

EXISTInG oR nEWLy pLAnTED sMall tRees (1 In FRonT, 1 In REAR pER REqUIREMEnTS)

planted BUFFeR IS REqUIRED on THE pERIMETER oF THE SUBDIVISIon, noT on InTERnAL SUBDIVISIon LoT LInES (MUST MEET oR EXcEED TypE ‘B’ BUFFER REqUIREMEnTS)

FoUndation and shRUB plantinG In REAR (25% oF REq’D MATERIAL)

EXISTInG VEGETATIon SAVED AS BUFFeR BETWEEn yARDS (MEETS oR EXcEEDS TypE ‘B’ REqUIREMEnTS)

NotES�. Existing vegetation shall be maintained to the maximum extent possible.�. After dwelling construction, each lot shall have the following required planting:

(2) Large Trees (one in the front yard, one in the rear yard)Mature size = �0’-60’ HPlanted size = �”cal.

(2) Small Trees (one in the front yard, one in the rear yard)Mature size = ��’-�0’ HPlanted size = �”cal.

(4) Large Shrubs (near foundation; 25% in rear yard)Mature size = �’-8’ HPlanted size = �0” H

(8) Small Shrubs (near foundation; 25% in rear yard)Mature size = �’-�’ HPlanted size = �0” H

These are minimum requirements; additional planting is encouraged. 3. Existing vegetation or planting shall be preserved and/or provided where rear yards back up

to one another or are visible from other rear yards or streets. This existing and/or installed landscape shall meet or exceed the planting criteria for a Type ‘B’ Semi-Opaque Buffer.

�. Reduction in required vegetation may be approved for lots smaller than 8,000 square feet in size.

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PurposeThe landscape of Cary incorporates many accommodations for parking lots. How these facilities are built affects the appearance and character of the Town.

IntentParking will be screened from view from adjacent public rights-of-way and adjacent properties.

ApplicabilityStandards related to the Vehicular Use Areas apply to all development types with the exception of single family residential uses.

Garages and DecksParking structures such as garages and decks provide efficient ways to store vehicles. Unfortunately, they often dominate a site, adding no life or character to the street or other public places. If garages or decks are to be built, and if they cannot be incorporated within the overall architectural style and form of the proposed complex, the structures must be heavily screened from the public right-of-way or adjacent property. Grading and landscape planting may be used independently or combined to visually separate the structure from its public neighbors. Natural changes in site grade levels shall be utilized to achieve horizontal pedestrian connections between parking structures and the buildings they serve.

Surface LotsThe purpose of landscaping parking lots is to minimize the amount of glare, noise, and heat from the parking area. The first priority is to preserve existing vegetation, either as a grove or as individual species. Incentives to do so are included in the LDO. Preserved or newly planted shade trees shall be the primary landscaping element within the parking area itself, and a combination of shade trees and evergreen trees should be used at the edge of the parking area. The public frontage of the parking lot perimeter shall be screened with an evergreen hedge.

Surface parking bays shall be small and separated by either areas of native vegetation or landscaped areas. Grading should be minimized, reducing the impact on the existing vegetation and to take advantage of natural drainage patterns. In some cases, planting can be used to capture surface runoff. In no case shall surface water be impounded on the paved parking area.

Purpose and IntentVEhICuLAr uSE ArEA PLANtINg StANDArDS

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VEhICuLAr uSE ArEA PLANtINg StANDArDS LA-�� Parking Lot Planting Requirements

islands - aliGned plantinGAll parking spaces within 60 ft. of a tree trunk�9� Spaces�� Trees

lineaR stRip - aliGned plantinG(Linear Planting Strips are required every 130 l.f. in lots exceeding 40,000 sf)All parking spaces within �0ft. of a tree trunk�9� Spaces8 Trees15 Shrubs/100 LF

islands - staGGeRed plantinGAll parking spaces within 60 ft. of a tree trunk�9� Spaces9 Trees

lineaR stRip - staGGeRed plantinG(Preferred: Linear Planting Strips are required every 130 l.f. in lots

exceeding 40,000 sf)All parking spaces within �0 ft. of a tree trunk�9� Spaces� Trees15 Shrubs/100 LF

NotES�. The intent of these requirements is to provide shade and visual breaks across large parking areas. This

requires canopy trees growing in enough permeable soil to thrive. Other design options which meet this intent may be approved.

2. All medians and/or islands planted with trees shall be at least 10 ft. wide with a minimum of 300 sf of permeable soil per canopy tree.

�. Existing, healthy, well-formed canopy trees should be preserved where possible. They will be counted toward the coverage requirements.

4. If a Linear Strip is used, 15 shrubs/100 LF must be planted in ADDITION to the required trees.5. These are minimum requirements; additional planting is encouraged.

REF SEc:

REvISEd:

dETAIL No:

�.�.6

LA-12

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VEhICuLAr uSE ArEA PLANtINg StANDArDS

7.2.6(D)

LA-13

NotES�. Screening is required for ��% of the length of the Vehicular Use Area. �. ��% of the remaining length of the vehicular use area is allowed to be unscreened. �. Sidewalks and driveways that cut through the screen, connecting the Vehicular Use Area to

streets and other properties, are not included in the calculations.�. Screening emphasis should be on parking area for vehicles vs. drives.�. Narrow breaks may be permitted within the perimeter screen to allow for pedestrian access.

REF SEc:

REvISEd:

dETAIL No:

R.o.W.

R o

A D

W A

y

ScREEnInG BETWEEn VEHIcULAR USE AREA AnD pUBLIc R.o.W.(SEE Typ. ScREEnInG DETAIL FoR VEHIcULAR USE AREAS FoR opTIonS)

DRIVEWAyS (ARE IncLUDED In cALcULATIonS)

SIDEWALk (noT IncLUDED In cALcULATIonS)

BUILDInG

VEHIcULAR USE AREA (AREA oF SITE InTEnDED FoR VEHIcULAR cIRcULATIon oR pARkInG FoR BUSInESS pATRonS)

ALLoWABLE GAp

ALLoWABLE GAp

DRIVEWAyS (ARE IncLUDED In cALcULATIonS)

VEHIcULAR USE AREA (AREA oF SITE InTEnDED FoR VEHIcULAR cIRcULATIon oR pARkInG FoR BUSInESS pATRonS)

SIDEWALk (noT IncLUDED In cALcULATIonS)

SIGHTLInE

BUILDInG

R.o.W.

SIGHTLInE

ScREEnInG BETWEEn VEHIcULAR USE AREA AnD pUBLIc R.o.W.(SEE Typ. ScREEnInG DETAIL FoR VEHIcULAR USE AREAS FoR opTIonS)

LA-�� Perimeter Screening BETWEEN THOROugHFARE R.O.W.

AND VEHICuLAR uSE AREAS

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VEhICuLAr uSE ArEA PLANtINg StANDArDSLA-�� Perimeter Screening Techniques

REF SEc:

REvISEd:

dETAIL No:

7.2.6(D)

LA-14

BeRM scReen

planted eVeRGReen scReen

scReen wall/Fence

VEGETATIon To SoFTEn WALL, pLAnTED In GRoUpS. REqUIRED onLy IF WALL IS oVER 42”.

GRoUnDcoVER To HoLD SoIL(TURF GRASS pERMITTED on SLopES oF 3:1 oR FLATTER)

SMooTH TRAnSITIonS (TypIcAL)

MASonRy WALL oR opAqUE FEncE(MUST MEET cRITERIA SET FoRTH In THE pRojEcT’S STATEMEnT oF ARcHITEcTURAL coMpATIBILITy - SAc)

EVERGREEn SHRUB ScREEn(MAInTAInED AT A MInIMUM HEIGHT oF 3 FT.)

cURB oR WHEEL STop

cURB oR WHEEL STop

cURB oR WHEEL STop 2:1 MAX.SLopE

2:1 MAX.SLopE

Top oF BERM WIDTH = 1/2 BERM HEIGHT (MIn.)

4’- 0” MAX. HEIGHT ABoVE ToE oF BERM

3’- 0” MIn. HEIGHT In 3 yEARS

2’ - 6” cLEAR

4’- 0”cLEAR

5’- 0”

NotES�. Opaque screening to be provided to a min. height of �’-0”.�. Berms may be used in combination with planting to meet height requirements.

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VEhICuLAr uSE ArEA PLANtINg StANDArDSLA-�� Perimeter Screening Locations

REF SEc:

REvISEd:

dETAIL No:

7.2.6(D)

LA-15

paRKinG

paRKinG

paRKinG

NotES�. Locate screen where it will most effectively screen parking from drive or thoroughfare.�. Topography or grade change may be used to effectively screen parking from drive or thoroughfare.

Page 30: ˇˆ˙ - Town of Cary | Home

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PurposeThe Town of Cary has employed various techniques to manage the flow of stormwater. This Manual offers guidance on ways to improve the appearance as well as the function of such techniques and facilities.

IntentTo ensure the function and attractiveness of stormwater management techniques.

ApplicabilityThese standards do not apply to single family residential uses that are not a part of a subdivision.

Natural LandscapingStormwater management techniques can incorporate various design styles and be easily integrated into a more natural landscape. The use of natural swales, soft edged planting along ponds, bioretention while making use of water-loving plant materials, and bank stabilization using plant materials can all contribute to a more cohesive aesthetic and environmentally sound approach to stormwater management.

BioretentionThis technique is an alternative to the more traditional means of stormwater management. It is already permitted for use in parking areas, streetscapes, and buffers. This technique may also be used to meet the State’s nitrogen removal requirements under the current ordinance.

Purpose and IntentStorMwAtEr ArEA PLANtINg StANDArDS

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Town of Cary������������ ����� �������LAN - 26

���������

BIORETENTION AREA MINIMUM PLANTING REQUIREMENTSBuffers and Streetscapes

1 Tree every 175 Sq. Ft.1 Shrub every 20 Sq. Ft.

All Other Areas Within the Site

1 Tree every 435 Sq. Ft.1 Shrub every 30 Sq. Ft.

REF SEC:

REVISED:

DETAIL NO:

STORMWATER INFLOW

BIORETENTION AREA (EXAMPLE)

PEA GRAVEL

GRASSEDFILTER STRIP

OVERFLOW STORMDRAIN INLET (ABOVEMAXIMUM PONDINGDEPTH)

SHALLOW PONDING AREA

UNDERDRAIN SYSTEM TOCONVEY WATER TO STORMDRAINAGE NETWORK

UNDERDRAIN SYSTEM CLEAN-OUTS

PLANT MATERIAL INBIORETENTION AREA

____

�����

LA-16 Bioretention��������������������� �!����������

Page 32: ˇˆ˙ - Town of Cary | Home

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StorMwAtEr ArEA PLANtINg StANDArDSLA-�� Bioengineered Bank Stabilization

liVe FascinesBundles of live brush cuttings assembled in a sausage-like configuration

liVe BRUsh cUttinGsPlaced between lifts Cuttings �-� ft. longer than terrace (with base of branches against existing slope)

GRaVel laYeRWrapped in a non-biodegradable or slow biodegrading geotextile.

tRap RocK laYeR Wrapped in a non-biodegradable geotextile (avg. 6”dia.)

Rip Rap laYeRSupporting bioengineering construction

pond Bed

FiBeRGlass Mat At lip of swale to protect edge from erosion (where necessary)

existinG slope

GeotextileTo prevent migration of fines through gravel and rip rap base

BanK staBilizationSoil lifts with inner and outer geotextile raps; e.g. burlap for inner wrap and Tensor geogrid (or equal) at lower levels which may be subject to wave/high water flows; or coir blanket for upper layers used as outer wrapping

REF SEc:

REvISEd:

dETAIL No:

LA-17

swale at top oF slope

Page 33: ˇˆ˙ - Town of Cary | Home

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StorMwAtEr ArEA PLANtINg StANDArDSLA-�� Screening of Devices

EVERGREEn ScREEn

nATIVE pLAnTInG (WET/DRy ToLERAnT)

EVERGREEn ScREEn

nATIVE pLAnTInG (WET/DRy ToLERAnT)

REF SEc:

REvISEd:

dETAIL No:

7.2.8(A)

LA-18

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StorMwAtEr ArEA PLANtINg StANDArDSLA-�� Pond-edge Planting

REF SEc:

REvISEd:

dETAIL No:

LA-19

GEESE EAT GRASS, LEAVInG SoIL opEn To ERoSIon

SHALLoW RooT SySTEMS oF TURF GRASSES Do noT HoLD Up To WAVE AcTIon AT ponD EDGE AnD Do noT SURVIVE InUnDATIon

STEEp SLopE EXAcERBATES ERoSIon pRoBLEM

GRADUAL SLopE ALLoWS WIDE BAnD oF WETLAnD pLAnTS AT ponD EDGE

WETLAnD pLAnTS AT THE ponD EDGE ARE BEnEFIcIAL BEcAUSE THEy:

- Hold the soil at the pond edge at various water levels

- Slow runoff and filter pollutants in water from surrounding land (such as excess fertilizer from lawns, oil and sediment from roads/driveways, eroded sediments, etc.)

- Provide habitat and food for birds, fish, mammals, insects, and microbes

- Discourage geese from landing

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PurposeThe location of plant materials greatly influences the longevity and appearance of such materials. The Town of Cary, through the discussion of plant placement, articulates where plants should and should not be planted, to protect new and existing vegetation.

IntentTo protect the investment of new plantings, and to conserve the existing native vegetation and introduced landscape.

ApplicabilityApplies to all land uses, residential and nonresidential.

Utility Lines and Other Fixed ObjectsTree planting must be coordinated with utility lines and other fixed objects so that massive pruning is not required at a later date. Clearance zones are noted on the drawings within this Manual. Addition of New Plant MaterialsNew planting should be placed outside of the critical root zone of existing plant materials. In order to achieve the opacity required within the buffer, and to not disturb existing root zones, additional buffer width may be required.

TrailsNew sidewalks and greenway trails may need to be inserted within an existing vegetation stand. If so, careful placement is required to minimize the disturbance to the existing tree’s root zone.

Purpose and IntentPLANt PLACEMENt

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.

.

.

.

PLANt PLACEMENtLA-�6 Tree and Shrub Planting guidelines

MiniMUM distance FRoM BacK oF stReet cURB (iF BaRRieR cURB is Used)

MiniMUM distance FRoM liGht pole

8’-0”

MIn

.

5’-0”MIn.

6 5’-0”MIn.

incoRRectlY sized tRee UndeR oVeRhead lines(TREE SIZE AT MATURITy >20’H)

coRRectlY sized tRee UndeR oVeRhead lines(TREE SIZE AT MATURITy = 20’H, oR 8-15’ cLEAR FRoM oVERHEAD LInES)

MiniMUM distance FRoM electRical tRansFoRMeR(DISTAncE AT TREE AnD SHRUB MATURITy)

TREES

10’-0

” MIn.

MiniMUM distance FRoM sidewalK

DISTAncE FRoM cEnTERLInE = 1/2 WIDTH oF TREE cRoWn AT MATURITy oR 15’, WHIcHEVER IS GREATER

15’-0”MIn.

8 -15’MIn.

REF SEc:

REvISEd:

dETAIL No:

MATURE HEIGHT

SHRUBS5’-

0” MIn.

7.2.4 (D) and (E)

LA-20

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PLANt PLACEMENtLA-�� Planting in a Buffer/Streetscape with Existing Trees

nEW pLAnTInG kEpT oUT oF cRITIcAL RooT ZonES (cRZ) To pRoTEcT EXISTInG TREE RooTS; MAy REqUIRE EXpAnSIon oF BUFFER WIDTH To pERFoRM AT InSTALLATIon

nEW pLAnTInG FILL GApS In BUFFER/STREETScApE

IF pLAnTInG nEW TREES In THE BUFFER WILL ADVERSELy IMpAcT EXISTInG TREES, cREDIT FoR pLAnTInG In THE 10’ SETBAck (TRADITIonALLy noT pLAnTED) WILL BE GRAnTED.

REF SEc:

REvISEd:

dETAIL No:

LA-21

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R ZC

R ZC

R ZC

R ZC

R ZC

R ZC

R ZC

R ZC

R ZC

R ZC

R ZCR ZC

R ZC

R ZC

R ZC

R ZC

R ZC

PLANt PLACEMENtLA-�8 Path or Sidewalk in Buffer or Planted Area

nEW SIDEWALk WHIcH REqUIRES EXcAVATIon GREATER THAn 2”D

nEW SIDEWALk WHIcH REqUIRES EXcAVATIon

LESS THAn 2 IncHES DEEp

NotES1. Damage to existing vegetation and compaction

of root zones from equipment and/or pedestrians to be minimized during any construction activities near or within buffers.

�. Roots to be cut, not ripped.

oVERALL BUFFER WIDTH oVERALL BUFFER WIDTH

6’-0” MIn. cLEAR TonEAREST TREE TRUnk

6’-0” MIn. cLEAR

(TypIcAL)

REF SEc:

REvISEd:

dETAIL No:

7.2.3(H)

LA-22

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PurposeTree fencing is necessary to protect existing vegetation to be preserved from both foot and vehicular traffic.

IntentTo protect existing vegetation during the construction process.

ApplicabilityApplies to all land uses, including residential and nonresidential.

Purpose and IntenttrEE ProtECtIoN

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UnDISTURBED LITTER LAyER/SoIL pRoFILE

FELL TREES AWAy FRoM TREE SAVE AREA

TREE pRoTEcTIon FEncE4’ H (min.) orange polyethylene laminar

fencing, steel stakes 4’ o.c. (min.)

TREncH To cUT RooTS (SEE ABoVE)

TREE pRoTEcTIon ZonE SIGnS2’ x 2’ (min.) signs installed to be visible from all sides of the fence (minimum of one on each side and/or every 150 linear feet)

LIMIT oF cLEARInG AnD GRADInG

TREE pRoTEcTIon FEncE

TREncH To cUT RooTS (BAckFILLED)

tRenchinG/FencinG section

tRenchinG/FencinG/siGnaGe

cRitical Root zone (cRz)

cRITIcAL RooT ZonE (cRZ)

TREE TRUnk

cRZ cALcULATIoN CRZ radius = DBH (in inches) x one foot

(measured from the tree trunk)

CRZ

REF SEc:

REvISEd:

dETAIL No:

NotES�. The CRZ does not apply to perimeter trees in Streetscapes or Buffers unless zoning conditions or development

plan require tree protection.�. If the root zone pattern differs due to topography, the shape of the CRZ may be adjusted when proof of the differing

shape is provided.�. Up to ��% of the CRZ may be encroached upon when necessary for site development requirements.

1’-6” (MIn.)

6” (MAX.)

�.�.�

LA-23

trEE ProtECtIoNLA-�9 Critical Root Zone, Fencing and Signage

4’-0”(MIn.)

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Purpose and Intent

PurposeThe techniques used to install plant materials greatly affect the longevity and health of the landscape planting. The details included in this Manual reflect current recommendations on plant installation.

IntentTo ensure the proper installation of new plant material.

ApplicabilityThese standards apply to both residential and nonresidential uses.

Detail CurrencyPlant materials shall be installed according to the details contained in this Manual. These drawings represent current recommendations. Stake, wires, or guys are not recommended, unless specific site conditions require them - steep slopes, high winds, vandalism, etc.

Plant QualityPlant materials shall be nursery grown unless otherwise approved and shall be healthy and vigorous, free from defects, decay, encircling roots, sunscald, injuries, abrasions, diseases, insects, pests, and all forms of infestations or objectionable disfigurements as determined by the Planning Director or his designee.

PLANtINg DEtAILS

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PLANtINg DEtAILSLA-�0 Tree Planting

DIG WIDE, SHALLoW pLAnTInG HoLE WIDTH = 3 X WIDTH oF RooT BALL

REF SEc:

REvISEd:

dETAIL No:

12” MIn.

LA-24

pRUnE onLy To REMoVE Any BRokEn, DEAD oR DISEASED WooD WHILE pRESERVInG FoRM AnD cHARAcTER oF TREE; Do noT cUT LEADER; Do noT pRUnE In oRDER To REDUcE cAnopy SIZE

nATURAL SoIL LInE

RooT cRoWn

Top oF BALL AS DUG

cUT AnD REMoVE Top 1/2 oF WIRE BASkET, TURn DoWn Top 1/2 oF BURLAp; REMoVE ALL coRD & TWInE FRoM BASE oF TRUnk; IF nonDEGRADABLE WRAp IS USED, REMoVE ToTALLy

4” BUILT-Up EARTH SAUcER AT EDGE oF RooT BALL (opTIonAL) IF pRoVIDED, REMoVE pRIoR To onE yEAR InSpEcTIon

2-3” SHREDDED BARk MULcH, 3 “ MInIMUM FRoM TRUnk(Do noT pLAcE MULcH In conTAcT WITH TREE TRUnk)

UnAMEnDED BAckFILL

BREAk Up EDGE oF pLAnTInG pIT

TAMp SoIL SoLIDLy ARoUnD BASE oF RooT BALLLEAVInG SoIL pEDESTAL UnDISTURBED

NotES�. Contractor to verify that adequate drainage exists

prior to planting.2. Do not wrap trunk of tree.�. Staking of trees is not recommended, except

on windy sites or for large evergreen trees. If staking is done, flexible straps - not hose and wire - should be used and must be removed at appropriate time. Property Owner is responsible for replacement of destroyed or damaged trees.

�. All trees shall conform to the standards set forth in the most recent American Standards for Nursery Stock published by the American Association of Nurserymen (A.A.N.).

5. Trees with root flare covered by more than 1.5” of soil will be rejected prior to installation.

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SET Top oF RooT BALL 1”-2” ABoVE FInISHED GRADE

2-3” SHREDDED BARk MULcH - Do noT pLAcE AGAInST TRUnk

conTAInER GRoWn pLAnT - pULL RooTS oUT oF BALL, oR cUT SIDES

FIRM pEDESTAL UnDER RooT BALL

12” DEEp - cULTIVATE EnTIRE pLAnTInG AREA AS SInGLE BED WHEn pLAnTInG MULTIpLES (FoR LARGER SHRUB RooT BALLS, MAkE 4” DEEpER THAn RooT BALL)

NotES�. All shrubs shall conform to the

standards set forth in the most recent American Standards for Nursery Stock published by the American Association of Nurserymen (A.A.N.).

�. Soil analysis shall be obtained prior to planting. Soil shall be amended as recommended.

�. Sheet preparation of beds is highly preferred to individually dug holes.

PLANtINg DEtAILSLA-�� Shrub, groundcover, and Perennial Planting

REF SEc:

REvISEd:

dETAIL No:

FoLD BURLAp DoWn InTo GRoUnD. SET Top oF BALL FLUSH WITH FInISHED GRADE

BAckFILL: AMEnD THE Top 6” By IncoRpoRATInG 1” - 1.5” coMpoSTED GRoUnD BARk oR oTHER SUITABLE oRGAnIc MATTER oR pRoVIDE nATIVE SoIL WITH A MInIMUM oF 5% HUMIc MATTER

BREAk Up EDGE oF pLAnTInGpIT

LA-25

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Purpose and IntentPurposeThe plant material list contained in this Manual provides a suggested selection of plants that will both enhance the native landscape of Cary and minimize water consumption.

IntentTo ensure that appropriate plants are selected for use in the Town of Cary. The tables offer species suggestions, with some provided performance characteristics. This plant list will evolve over time. It offers a guide for the type of plant materials the Town of Cary wishes to see used to satisfy minimal code requirements and comprise the predominate part of all proposed plants. Plants with more exacting growing conditions or those with less certainty of success should be reserved for minor accent or specialty use. The suggested list emphasizes drought tolerant plants. Non-drought tolerant plants may be used if non-public water sources are used for irrigation, if the planting area is naturally wet, or the planting area is to be used for bioretention. A note to that effect must be included on the plan.

The suggested plant list of this manual generally does not include named hybrids and variously named species subtypes such as subspecies, varieties and cultivars due to the requirement to list such a large number of names if all suitable plants were to be included. Also the list would need to be more frequently updated to remain current with new recommended introductions and deletions of plants that have come to be known for problems. Even though hybrids and named species subtypes are not listed, the Town of Cary anticipates the use of such plants, and even encourages their use in situations where they are expected to perform significantly better than species types. However, it must be recognized that plant hybrids or named species subtypes may differ greatly in habit, size and other characteristics from that of the parent species or other genetically related hybrids or subtypes. If the proposed plant selection is not expected to meet minimal performance requirements for its particular application, it may be disapproved regardless of its genetic relationship to a parent species or plant selection that would be suitable even if the parent species is on the suggested plant list.

ApplicabilityThe plant materials lists contain species suitable for all uses.

Plant NomenclatureSources of horticultural names include several documents.

• Overall Bailey, L.H. et al., HortusThird. New York, Macmillan Publishing Company.• Trees, Shrubs, Vines Dirr, Michael A., ManualofWoodyLandscapePlants. Champaign, IL, Stipes Publishing

Company. 1998• Grasses USDA, NRCS, ThePLANTSDatabase, Version 3.1. (http://plants.usda.gov). Baton Rouge,

LA, National Plant Data Center. • Horticopia Plant information. 2001. (http://www.hortpix.com/index.html)

PLANt MAtErIAL

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Large Deciduous treesScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativeAcer campestreHedge M ap le H 5 to 8 25 -35 /25 -35 S un n

Acer floridanum(A. barbatum)F lo rida M ap le o r S outhe rnS ugar M ap le

H 6b-8 30 -40 /20 -25 S un/S em i-shade y

Acer rubrumRed M ap le # M 3 to 9 35 -60 /20 -50 S un/S em i-shade y

Acer saccharumS ugar M ap le # M 3 to 8 60 -80 /40 -60 S un/S em i-shade y

Betula nigraRive r B irch # M 4 to 9 40 -80 /30 -60 S un y

Carpinus betulusE uropean Hornbeam H 5 to

7b /8a 40 -60 /30 -50 S un n

Carya illinoinensisp ecan* # M 5 to 9 50 -70 /30 -70 S un y

Carya ovataS hagbark H icko ry # H 4 to 8 60 -80 /35 -50 S un y

Celtis occidentalisc om m on Hackbe rry H 3 to 9 40 -60 /40 -60 S un/S em i-shade y

Celtis laevigataS outhe rn Hackbe rry H 5 to 9 60 -80 /50 -60 S un/S em i-shade y

Cercidiphyllumjaponicumk atsura Tree #

M 4 to 8 40 -60 /35 -50 S un n

Cladrastis luteaA m erican ye llowwood # M 4 to 8 30 -50 /40 -50 S un/shade y

Corylus colurnaTurk ish F ilbe rt H 4 to 7 35 -60 /20 -35 S un n

Diospyros virginianac om m on p ers im m on* # M 4 to 9 35 -60 /20 -35 S un y

Fagus grandifoliaA m erican B eech # M 3 to 9 60 -80 /40 -60 S un to pa rtia l

shade y

Fagus sylvaticaE uropean B eech # M 4 to 7 50 -60 /35 -45 S un/shade n

Fraxinus americanaW hite A sh # M 3 to 9 50 -100 /40 -80 S un y

Fraxinus pennsylvanicaGreen A sh H 3 to 9 50 -60 /30 -40 S un y

Ginkgo bilobaGinkgo , M a identree H 4 to 8 50 -80 /30 -50 S un n

Gymnocladus dioicusk entucky c o ffee tree* # H 3b to 8 60 -75 /40 -50 S un n

PLANt MAtErIAL SELECtIoN table L-1

* NOT SuITABLE AS STREETSCAPE TREE OR AS PARkINg LOT TREE.# NOT SuITABLE FOR PARkINg LOT ISLANDS OR AREAS PRONE TO DRy SOILS.

L-1 LArgE DECIDuouS trEES

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Large Deciduous trees, continuedScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativeJuglans nigraE aste rn B lack Wa lnut* # H 4 to 9 50 -80 /30 -60 S un y

Koelreuteria paniculataGolden Ra intree H 5 to 9 20 -30 /20 -30 S un n

Lagerstroemia faurec rape M yrtle H 7 to 9 20 -40 /20 -35 S un n

Liquidambar styracifluaS wee tgum * H 5 to 9 60 -75 /30 -40 S un y

Liriodendron tulipiferaTulip p op la r # M 4 to 9 60 -80 /30 -50 S un/S hade y

Magnolia acuminatac ucum ber M agno lia # M 4 to 8 50 -70 /30 -50 S un/S em i-S hade y

MetasequoiaglyptostroboidesD awn Redwood

H 5 to 8 70 -100 /20 -25 S un n

Nyssa sylvaticaB lack Gum , B lack Tupe lo H 3 to 9 30 -50 /20 -30 S un y

Ostrya virginianaA m erican Hophornbeam ,Ironwood* #

M 3b to 9 25 -40 /16 -25 S un/S hade y

Phellodendron amurenseA m ur c orktree H 3b to 7 30 -45 /30 -45 S un n

Pistacia chinensisc hinese p is tache H 6 to 9 30 -40 /25 -35 S un n

Platanus x acerifoliaLondon p lane tree H 5 to 8 70 -100 /60 -80 S un n

Platanus occidentalisA m erican S ycam ore H 4 to 9 75 -100 /60 -80 S un/S em i-shade y

Pyrus calleryana(c ultiva rs only)'B rad fo rd ' *c a lle ry p ea r c ultiva rs

H 5 to 8 30 -50 /20 -35 S un n

Quercus acutissimaS awtoo th oak * H 6b to 9 35 -45 /35 -45 S un n

Quercus albaW hite oak H 3b to 9 70 -75 /40 -50 S un y

Quercus bicolorS wam p W hite oak H 4 to 8 50 -60 /50 -60 S un/S em i-shade y

Quercus falcataS outhe rn Red oak H 6b to 9 70 -80 /30 -40 S un y

Quercus imbricariaS hing le oak H 4 to 8 50 -60 /40 -60 S un n

Quercus laurifoliaS wam p Laure l oak H 6 to 9 40 -60 /30 -40 S un y

PLANt MAtErIALSELECtIoN

* NOT SuITABLE AS STREETSCAPE TREE OR AS PARkINg LOT TREE.# NOT SuITABLE FOR PARkINg LOT ISLANDS OR AREAS PRONE TO DRy SOILS.

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Large Deciduous trees, continuedScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativeQuercus lyrataovercup oak H 5 to 9 40 -60 /40 -60 S un y

Quercus nigraWate r oak H 6 to 9 50 -80 /40 -60 S un y

Quercus nuttalliinutta ll oak H 5 to 9 40 -60 /30 -50 S un n

Quercus phellosW illow oak H 5 to 9 40 -80 /30 -60 S un/S em i-shade y

Quercus prinusc hestnut oak H 4 to 8 60 -70 /60 -70 S un/S em i-shade y

Quercus roburE ng lish oak H 4 to 8 40 -60 /50 -60 S un n

Quercus shumardiiS hum ard oak H 5 to 9 70 -75 /40 -50 S un y

Quercus velutinaB lack oak H 3 to 9 50 -60 /50 -60 S un/shade y

Salix alba 'Tristis'Golden W eep ing W illow * # H 2 to 8 50 -70 /40 -60 S un n

Salix nigraB lack W illow * # H 3a to 35 -50 /20 -35 S un y

Taxodium distichumB a ld c yp ress H 4 to 9 50 -80 /30 -50 S un/shade y

Ulmus parvifoliac hinese E lm , Laceba rk E lm H 5 to 9 40 -50 /40 -50 S un n

Zelkova serratajapanese Ze lkova H 5 to 8 40 -50 /30 -50 S un n

PLANt MAtErIALSELECtIoN

* NOT SuITABLE AS STREETSCAPE TREE OR AS PARkINg LOT TREE.# NOT SuITABLE FOR PARkINg LOT ISLANDS OR AREAS PRONE TO DRy SOILS.

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Large Evergreen treesScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativeCedrus deodaraD eodar c edar # H 7 to 9 40 -70 /50 -80 S un n

Chamaecyparis thyoidesA tlantic W hiteceda r # M 4 to 8 40 -50 /10 -20 S un y

Cunninghamia lanceolatac om m on c hina fir* # M 7 to 9 30 -75 /10 -30 S un/S em i-shade n

X CupressocyparisleylandiiLeyland c yp ress

H 6 to 10 60 -70 /10 -15 S un/S em i-shade n

Ilex opecaA m erican Ho lly # M 5 to 9 30 -70 /15 -20 S un/S em i-shade y

Juniperus virginianaE aste rn Red c edar H 3b to 9 40 -50 /8 -20 S un y

Magnolia grandifloraS outhe rn M agno lia # M 7 to 9 50 -80 /40 -60 S un/S em i-shade y

Pinus nigraA ustrian p ine # H 3b to 7 40 -60 /20 -40 S un n

Pinus palustrisLong lea f p ine H 7 to 9 40 -60 /15 -25 S un y

Pinus sylvestrisS co tch p ine # H 2 to 8 30 -60 /30 -40 S un n

Pinus taedaLob lo lly p ine H 6 to 9 60 -90 /20 -40 S un y

Pinus virginiannaV irg inia p ine # H 4 to 8 40 -60 /10 -30 S un y

Quercus hemisphaericaLaure l oak, D a rling ton oak H 6 to 9 40 -60 /30 -40 S un y

Quercus virginianaL ive oak H 7b to

10 40 -80 /40 -100 S un y

PLANt MAtErIAL SELECtIoNtable L-2

* NOT SuITABLE AS STREETSCAPE TREE OR AS PARkINg LOT TREE.# NOT SuITABLE FOR PARkINg LOT ISLANDS OR AREAS PRONE TO DRy SOILS.

L-2 LARGE EVERGREEN TREES

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Small Deciduous treesScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativeAcer buergerianumTrident M ap le H 5 to 8 20 -25 /10 -15 S un n

Acer ginnalaA m ur M ap le # M 3 to 8a 15 -20 /15 -25 S un n

Acer japonicumF ullm oon M ap le M 5 to 8 15 -25 /15 -30 p artia l S hade n

Acer leucodermec ha lkba rk M ap le H 5 to 9 25 -30 /15 -20 S un y

Acer palmatumjapanese M ap le # M 5 to 8 15 -25 /15 -30 p artia l S hade n

Acer truncatumS hadb low M ap le H 3 to 8 20 -25 /20 -25 S un n

Amelanchier arboreaD owny S e rvicebe rry # M 4 to 9 15 -25 /15 -20 S un/S em i-shade y

Amelanchier canadensisS hadb low S ervicebe rry # M 3 to 7 6 -20 /10 -15 S un/S em i-shade y

Amelanchier x grandifloraA pp le S e rvicebe rry # H 4 to 9 20 -25 /25 -35 S un/S em i-shade n

Amelanchier laevisA llegheny S e rvicebe rry # M 4 to 8 20 -25 /25 -35 S un/S em i-shade y

Carpinus carolinianaA m er. Ho rnbeam , Ironwood H 3 to 9 20 -30 /20 -30 S un/S hade y

Cercis canadensisE aste rn Redbud , judas Tree # M 4 to 9 20 -30 /20 -30 S un/S hade y

Chionanthus retususc hinese F ringe Tree H 5 to 9 15 -25 /15 -25 S un n

Chionanthus virginicusW hite F ringe tree , G rancyGraybea rd

M 3 to 9 10 -25 /10 -20 S un/S em i-shade y

Cornus floridaF lowering D ogwood # M 5 to 9 15 -30 /10 -25 S un/S em i-shade y

Cornus kousak ousa D ogwood # M 5 to 8 20 -30 /20 -30 S un/S em i-shade n

Cornus masc orne lianche rry D ogwood # M 4 to 8 20 -30 /15 -20 S un/S em i-shade n

Cotinus coggyriac om m on S m oke tree H 5 to 8a 10 -15 /10 -15 S un/S em i-shade n

Crataegus crusgallic ockspur Hawtho rn H 4 to 7 20 -30 /20 -35 S un y

Crataegus phaenopyrumWashing ton Hawtho rn H 3 to 9 20 -30 /20 -25 S un y

Crataegus viridisGreen Hawtho rn H 4 to 7 20 -30 /20 -35 S un n

PLANt MAtErIAL SELECtIoNtable L-3

* NOT SuITABLE AS STREETSCAPE TREE OR AS PARkINg LOT TREE.# NOT SuITABLE FOR PARkINg LOT ISLANDS OR AREAS PRONE TO DRy SOILS.

L-3 SMALL DECIDUOUS TREES

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Small Deciduous trees, continuedScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativeHalesia carolinac aro lina S ilve rbe ll # H 4 to 8 20 -30 /15 -20 S un/S em i-shade y

Hamamelis viginianac om m on W itchhaze l # M 3 to 8 20 -30 /20 -25 S un/shade y

Hamamelis mollisc hinese W itchhaze l # M 5 to 8 10 -15 /10 -15 S un/shade n

Ilex deciduap ossum haw H 5 to 9 20 -30 /15 -20 S un/S em i-shade y

Lagerstroemia indicac rape M yrtle H 7 to 9 15 -25 /10 -20 S un n

Maclura pomiferaosage orange* # H 4 to 9 20 -30 /20 -30 S un n

Magnolia x loebreLoebner M agno lia M 4 to 8 20 -30 /20 -30 S un/S em i-shade n

Magnolia soulangianaS auce r M agno lia H 4 to 9 20 -30 /15 -25 S un/S em i-shade n

Magnolia stellataSta r M agno lia H 4 to 8a 10 -18 /10 -15 S un/S em i-shade n

Magnolia virginianaS wee tbay M agno lia M 5 to 9 10 -25 /10 -20 S un/shade y

Malus hybrids andcultivarsF lowering c rabapp les*

H 4 to 8 15 -30 /10 -35 S un n

Ostrya virginianaA m erican Hophornbeam H 3 to 9 25 -40 /16 -25 S un/S em i-shade y

Oxydendrum arboreumS ourwood # M 5 to 9 25 -30 /20 -25 S un/S em i-shade y

Prunus 'okame'okam e c herry M 6 to 9 20 -30 /20 -30 S un n

Prunus serrulata(m any cultiva rs) japaneseF lowering c herry #

M 5 to 8a 20 -30 /10 -20 S un n

Prunus subhirtella var.pendula & autumnalisW eep ing and A utum n Higanc herries

H 5 to 8 20 -30 /15 -20 S un n

Prunus x yedoensisyoshino c herry # M 5 to 8 20 -30 /20 -30 S un n

Rhus copallinaF lam e lea f S um ac H 4 to 9 20 -30 /20 -30 S un y

Rhus typhinaStagho rn S um ac H 4 to 8 15 -25 /30 -40 S un y

Sassafras albidumc om m on S assa fras * H 4 to 9 30 -60 /25 -40 S un y

PLANt MAtErIAL SELECtIoN

* NOT SuITABLE AS STREETSCAPE TREE OR AS PARkINg LOT TREE.# NOT SuITABLE FOR PARkINg LOT ISLANDS OR AREAS PRONE TO DRy SOILS.

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Small Deciduous trees, continuedScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativeStyrax japonicajapanese S nowbe ll M 5 to 8 20 -30 /20 -30 S un/S em i-shade n

Vitex agnus-castusc haste tree H 6b to 8 15 -20 /10 -15 S un n

PLANt MAtErIALSELECtIoN

* NOT SuITABLE AS STREETSCAPE TREE OR AS PARkINg LOT TREE.# NOT SuITABLE FOR PARkINg LOT ISLANDS OR AREAS PRONE TO DRy SOILS.

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Small Evergreen treesScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativeIlex x attenuata 'Fosteri'F oste rs Ho lly # M 6 to 9 22 -30 /10 -15 S un/S em i-shade n

Ilex x attenuata'Savannah'S avannah Ho lly

H 6 to 9 25 -30 /10 -15 S un/S hade n

Illex cassineD ahoon H 7 to 9 20 -30 -8 -15 S un/S em i-shade y

Ilex latifoliaLuste rlea f Ho lly H 6b to 9 20 -25 /15 -20 S un/S hade n

Ilex x 'Nellie R. Stevens'ne llie Stevens Ho lly H 6 to 9 15 -25 /10 -15 S un/S hade n

Ilex vomitoriayaupon Ho lly H 7 to 10 10 -20 /8 -15 S un/S em i-shade y

Prunus carolinianac aro lina Laure l c he rry H 7 to 10 20 -30 /15 -20 S un/S hade y

PLANt MAtErIAL SELECtIoNtable L-4

* NOT SuITABLE AS STREETSCAPE TREE OR AS PARkINg LOT TREE.# NOT SuITABLE FOR PARkINg LOT ISLANDS OR AREAS PRONE TO DRy SOILS.

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Deciduous ShrubsScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativeAesculus parvifloraB ottleb rush B uckeye M 4 to 8 8 -12 S un/S em i-shade n

Amorpha fruticosaInd igobush A m orpha H 4 to 9 6 -20 S un y

Aronia arbutifoliaRed c hokebe rry H 4 to 9 6 -10 S un/S em i-shade y

Aronia melanocarpaB lack c hokebe rry H 3 to 8 6 -10 S un/S em i-shade y

Baccharis halimifoliaGroundse l-bush H 5 to 9 5 -12 S un y

Buddleia davidiiB utte rfly B ush H 5 to 9 10 -15 S un n

Calycanthus floridusS wee tshrub , c a ro lina A llsp ice H 4 to 9 8 -12 S un/S hade y

Caryopteris xclandonensisB lue S p irea

M 6 to 9 3 -4 S un/S em i-shade n

Ceanothus americanusnew je rsey Tea H 4 to 8 3 -4 S un/shade y

Chaenomeles speciosaF lowering quince H 4 to 8 8 -10 S un/S em i-shade n

Cornus racemosaGray D ogwood H 3b to 8 10 -15 S un/shade y

Deutzia gracilisS lende r D eutzia (S em i-E ve rg reen)

H 4 to 8a 2 -4 S un/S em i-shade n

Diervilla sessilifoliaS outhe rn B ush-honeysuck le H 4 to 7 3 -5 S un y

Euonymus alatusW inged E uonym ous, B urningB ush

H 4 to 8 15 -20 S un/S hade n

Forsythia x intermediaB orde r F o rsythia M 6 to 8b 5 -7 S un n

Hamamelis x intermediaHybrid W itchhaze l M 5 to 8 10 -20 S un/S em i-shade n

Hamamelis vernalisVerna l W itchhaze l H 4 to 8a 8 -12 S un/S em i-shade n

Hibiscus syriacusS hrub A lthea , Rose o f S ha ron H 5 to 8 8 -12 S un n

Hydrangea arborescensS m oo th Hyd rangea (S em i-E ve rg reen)

M 4 to 9 3 -5 S un y

Hydrangea quercifoliaoaklea f Hyd rangea H 5 to 9 6 -8 S un n

PLANt MAtErIALSELECtIoNtable L-5

L-5 DECIDUOUS SHRUBS

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Deciduous Shrubs, continuedScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativeHypericum densiflorumD ense Hype ricum H 5 to 8 4 -6 S un/S em i-shade y

Hypericum 'Hidcote'Hidco te S t. johnswort H 6 to 8 3 -4 S un/S em i-shade n

Hypericum prolificumS hrubby S t. johnswort H 4 to 8 1 -4 S un/S em i-shade y

Ilex verticillatac om m on W inte rbe rry M 3 to 9 6 -10 S un/S em i-shade y

Itea virginicaV irg inia S wee tsp ire H 5 to 9 3 -5 S un/S hade y

Lespedeza thunbergiiThunberg Lespedeza H 5 to 8a 5 -6 S un n

Myrica pensylvanicanorthe rn B aybe rry H 3 to 6 8 -12 S un y

Philadelphus coronariusS wee t M ocko range H 4 to 8a 10 -12 S un/S em i-shade n

Rhododendronatlanticumc oast A za lea

M 5 to 8 3 -6 S em i-shade /S hade y

Rhododendron austrinumF lo rida A za lea M 6b to 9 8 -12 S em i-shade /S hade n

RhododendroncalendulaceumF lam e A za lea

M 5 to 7 10 -15 S em i-shade /S hade y

Rhododendroncanescensp iedm ont A za lea

M 5 to 9 10 -15 S em i-shade /S hade y

Rhododendronpericlymenoidesp inxte rb loom A za lea

M 4 to 8 4 -6 S em i-shade /S hade y

Rhododendronprunifoliump lum lea f A za lea

M 5 to 8 8 -10 S em i-shade /S hade n

Rhus aromaticaF rag rant S um ac H 3 to 9 2 -6 S un/S em i-shade y

Rhus glabraS m oo th S um ac H 3 to 9 10 -15 S un y

Rhus typhinaS tagho rn S um ac H 4 to 8 15 -25 S un/S em i-shade y

Rosa carolinac aro lina Rose H 4 to 9 3 -6 S un y

Rosa rugosaRugose Rose H 2 to 7 4 -6 S un n

Sambucus canadensisA m erican E lde r M 4 to 9 5 -12 S un/S hade y

PLANt MAtErIAL SELECtIoN

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Deciduous Shrubs, continuedScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight Exposure NC

NativeSpiraea x bumaldaB um a ld S p irea H 3 to 8 2 -3 S un/S em i-shade n

Spiraea nipponica'Snowmound'S nowm ound S p irea

H 4 to7 3 -5 S un/S em i-shade n

Spiraea prunifolia 'Plena'B rida lwrea th S p irea H 4 to 8 5 -7 S un n

Spiraea thunbergiiThunberg S p irea H 4 to 8 3 -4 S un n

Spiraea x vanhoutteiVanhoutte S p irea H 3 to 8 5 -7 S un n

Syringa meyeriM eyer L ilac H 3 to 7 4 -8 S un/S em i-shade n

Syringa patula 'Miss Kim'M iss k im L ilac H 4 to 7 5 -6 S un/S em i-shade n

Viburnum acerifoliumM ap le lea f V iburnum H 4 to 8 4 -6 S hade y

Viburnum x burkwoodiB urkwood V iburnum M 5 to 8 8 -10 S un/S em i-shade n

Viburnum carlesiik orean S p ice V iburnum M 5 to 7 4 -5 S un/S em i-shade n

Viburnum dentatumA rrowwood V iburnum H 3 to 8 6 -8 S un/S em i-shade y

Viburnum lantanaWayfa ring Tree V iburnum H 4 to 8a 10 -15 S un/S em i-shade n

Viburnum nudumS m oo th W ithe rod , p ossum hawV iburnum

H 5 to 9 6 -10 S un/S em i-shade y

Viburnum opulusE uropean c ranbe rrybushV iburnum

H 3 to 8a 8 -12 S un/S em i-shade n

Viburnum plicatum var.tomentosumD oub le fi le V iburnum

H 5 to 8a 8 -10 S un/S em i-shade n

Viburnum x pragensep rague V iburnum H 5 to 8a 10 -12 S un/S em i-shade n

Viburnum prunifoliumB lackhaw V iburnum H 3 to 9 12 -15 S un/S em i-shade y

Zenobia pulverulentaD usty Zenob ia H 5 to 9 12 -15 S un/S em i-shade y

PLANt MAtErIALSELECtIoN

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Evergreen ShrubsScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativeAbelia x grandifloraGlossy A be lia H 6 to 9 3 -4 S un/S em i-shade n

Aucuba japonicaD warf A cucuba , japaneseA ucuba

H 6b to10 3 -8 S hade /S em i-shade n

Azalea hybrids M 6b to8a 3 -5 S em i-shade -

Berberis julianaeW inte rg reen B a rbe rry H 6 to 8 5 -6 S un n

Berberis thunbergiijapanese B a rbe rry H 4 to 8a 3 -5 S un/S em i-shade n

Buxus microphylla var.japonicajapanese B oxwood

H 6 to 9 3 -4 S un/S em i-shade n

Buxus sempervirensc om m on B oxwood H 5 to 6 5 -8 S em i- shade n

Camellia japonicac am e llia M 6b to 9 8 -10 S un/S em i-shade n

Camellia sasanquaS ansanqua c am e llia M 7 to 9 8 -10 S un/S em i-shade n

Cryptomeria japonica‘Globosa Nana’D warf japanese c ryp tom eria

M 5 to 6 2 -3 S un n

Cytisus scopariusS co tch B room H 5 to 8a 5 -6 S un n

Elaeagnus x ebbingeiE laeagnus H 6b to 8 8 -10 S un/S em i-shade n

Gardenia jasminoides‘Radicans’c reep ing Gardenia

M 7a to10 2 -4 S em i-shade n

Hydrangea macrophyllaB ig lea f Hyd rangea M 6 to 9 5 -8 S em i-shade n

Ilex x attenuata ‘Fosteri’F oste r Ho lly M 6b to 8 8 -10 S un/S em i-shade

Ilex cornuta 'Burfordii'B urfo rd Ho lly H 6b to

7b 8 -12 S un/S em i- shade n

Ilex cornuta 'BurfordiiNana'D warf B urfo rd Ho lly

H 6b to 9 5 -6 S un/S em i-shade n

Ilex cornuta ‘Carissa’c arissa c hinese Ho lly H 6b to 9 3 -4 S un/S em i-shade n

Ilex cornuta ‘Rotunda’‘Rotunda’D warf c hinese Ho lly

H 6b to 9 3 -4 S un/S em i-shade n

PLANt MAtErIAL SELECtIoNtable L-6

L-6 EVERGREEN SHRUBS

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Evergreen Shrubs, continuedScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativeIlex crenata ‘Compacta’c om pact japanese Ho lly M 5 to 7 3 -4 S un/S em i-shade n

Ilex crenata ‘GreenLustre’Green Lustre japanese Ho lly

H 5 to 8a 3 -5 S un/S em i-shade n

Ilex crenata ‘Helleri’He lle ri japanese Ho lly M 5 to 7 2 -3 S em i-shade n

Ilex crenata ‘Hetzii’Hetz japanese Ho lly M 5 to 7 2 -3 S em i- shade n

Ilex glabraInkbe rry H 5 to 9 6 -8 S un y

Ilex vomitoriayaupon Ho lly H 6b-10 8 -12 S un/S em i-shade y

Ilex vomitoria 'Nana'D warf yaupon Ho lly H 7-10 3 -4 S un/S em i-shade y

Jasminum floridumS howy jasm ine H 8 to 10 3 -5 S un/S em i-shade n

Jasminum nudiflorumW inte r jasm ine H 6-10 3 -4 S un/S hade n

Juniperus chinensis‘Hetzi’Hetz junipe r

H 6b to 8 15 S un

Juniperus chinensis‘Pfitzeriana’p fitze r junipe r

H 6b to 8 8 -10 S un

Juniperus chinensiscultivars and vars.c hinese junipe r

H 6b to 8 5 -10 S un n

Juniperus davurica‘Expansa’p arson’s junipe r

H 6 to 8 2 S un n

Kalmia latifoliaM ounta in Laure l M 4 to 9 5 -8 S em i-shade y

Kerria japonicajapanese k e rria H 4b to 9 3 -5 S un n

Leucothoe populifoliaF e tte rbush, F lo rida Leuco thoe M 7a to 9 8 -12 S em i-shade /S hade n

Ligustrum japonicumjapanese p rive t H 7b to

10 8 -12 S un/S hade n

Ligustrum lucidumWaxlea f p rive t H 7b to

10 10 -20 S un/S em i-shade n

Ligustrum sinensec hinese p rive t H 7a to 8 10 -15 S un/S hade n

Ligustrum x vicaryiV ica ry Go lden p rive t H 5 to 8 10 -12 S un/S em i-shade n

PLANt MAtErIAL SELECtIoN

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Evergreen Shrubs, continuedScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativeLonicera pileatap rive t Honeysuck le H 6 to 8a 2 -3 S un/S em i-shade n

Mahonia bealeiLea the rlea f M ahonia H 6b to 9 6 -7 S em i-shade /S hade n

Myrica ceriferaS outhe rn Waxm yrtle H 7b to

11 10 -15 S un/S em i-shade y

Nandina domesticaHeavenly B am boo H 6b to 9 5 -6 S un/S em i-shade n

Nandina domestica(dwarf cultivars)D warf Heavenly B am boo

H 6 to 9 1 -3 S un/S hade n

Osmanthus x fortuneiF ortunes osm anthus H 6b to 8 8 -10 S em i-shade n

Photinia x faseriF rase r p ho tinia H 7 to 9 10 -15 S un/S em i-shade n

Pittosporum tobirajapanese p ittospo rum M 7b to

10 8 -10 S un/S em i-shade n

Pittosporum tobira ‘Nana’D warf japanese p ittospo rum M 7b to

10 3 -4 S un/S em i-shade n

Podocarpusmacrophyllus ‘Maki’c hinese p odoca rpus, S outhe rnyew

M 7a to10 8 -12 S un/S em i-shade n

Pyracantha coccineaS carle t F ire tho rn M 6 to 9 10 -12 S un n

Pyracantha koidzumii‘Santa Cruz’F orm osa F ire tho rn

H 7b to 8 2 -3 S un n

Rhaphiolepis umbellata(R. indica)Ind ian Hawtho rne

H 7b to10 2 -4 S un n

RhododendronA za lea hyb rids M 6b to

8a 3 -5 S em i-shade -

Rhododendron, SouthernIndica Types

M 7a to 8 5 -8 S em i-shade n

Sarcococca hookerianavar. humilisHim a layan S a rcococca

H 6 to 8 4-6 Semi-shade/Shade N

Ternstroemiagymnatherac leye ra , japaneseTernstroem ia

M 6b to 9 8 -10 S un/S em i-shade n

Yucca filamentosaA dam ’s need le yucca H 5 to 9 5 -6 S un y

PLANt MAtErIAL SELECtIoNSELECtIoN

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groundcovers and VinesScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativeAjuga reptansc arpe t B ug le M 3 to 9 2 -4 " S hade /

S em i-S haden

Akebia quinataF ire lea f A keb ia H 5 to 8 20 -40 ’ S un/S hade n

Campsis radicansTrum pe t V ine H 4 to 9 30 -40 ’ S un/S hade y

Clematis terniflora(C . pan icu la ta )S wee t A utum n c lem a tis

H 5 to 8 10 -20 ’ S un/S em i-S hade n

Clematis hybridsLarge F lowered c lem a tis M 4 to 8 20 ’ S un/S em i-shade -

Euonymus fortunei var.coloratusW inte rcreepe r

H 5 to 9 6 -18 "/ 40 -70 ’ S un/S em i-shade n

X Fatshedera lizeiF a tshede ra M 8 to 10 3 -5 ’ S hade /S em i-shade n

Ficus pumilac lim b ing F ig M 7b to

10 40 -50 ’ + S un/S hade n

Gelsemiumsempervirensc aro lina ye llow jessam ine

H 6 to 10 10 -20 ’ S un/S em i-shade y

Hedera canariensisA lge rian Ivy H 9 to 10 20 ’ + S hade /

S em i-S haden

Hedera helixE ng lish Ivy H 4 to 9 612" S hade n

Gaylussacia brachyceraB ox Hucklebe rry H 5 to 7 6 -18 " S em i-shade y

Hypericum calycinumA aronsbea rd , S t. johnswort H 5 to 8 8 -12 " S un/S em i-shade n

Juniperus conferta ‘BluePacific’S hore junipe r

H 6 to 9 12 -18 " S un n

Juniperus horizontalis‘Plumosa'A ndora junipe r, c reep ingjunipe r

H 4 to 9 12 -24 " S un n

Juniperus procumbensjapanese Garden junipe r H 4 to 8 8 -12 " S un n

Juniperus squamataS ing leseed junipe r H 4 to 7 6 -12 " S un n

Liriope muscariL iriope , L ilyturf H 5 -10 8 -15 " S un/S hade n

Liriope spicatumS pread ing L iriope , S p read ingL ilyturf

H 4 -10 8 -15 " S un/S hade n

Lonicera sempervirensTrum pe t Honeysuck le H 4b to 8 10 -20 ’ S un/S em i-shade y

PLANt MAtErIAL SELECtIoNtable L-7

L-7 GROUNDCOVERS AND VINES

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groundcovers and Vines, continuedScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativeOphiopogon japonicusD warf L ilyturf, D warf M ondoGrass

M 2 to 8 5 -6 " S hade n

ParthenocissusquinquefoliaV irg inia c reepe r

H 4 to 9 30 -50 ’ + S un/S hade y

ParthenocissustricuspidataB oston Ivy

H 4 to 8 30 -50 ’ + S un/S hade y

Phlox subulataM oss p hlox o r Thrift M 3-9 3 -4 " S un n

Rosa banksiaeB anks Rose H 6b to 9 15 -20 ’ S un n

Rosa hybridsc lim b ing Rose M 5 to 8 12 -36 " S un/S em i-shade n

TrachelospermumjasminoidesS ta r o r c onfede ra te jasm ine

H 8 to 10 10 -20 ’ S un n

Vinca majorLarge p e riw ink le M 6 to 9 12 -24 " S un/S em i-shade n

Vinca minorc om m on p eriw ink le H 4 to 8 5 -6 " S hade n

Wisteria sinensisc hinese W iste ria H 5 to 8 30 ’ S un n

PLANt MAtErIAL SELECtIoN

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ornamental grassesScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativeAndropogon gerardiiB ig B luestem H 4 to 9 4 -6 ’/2 -3 ’ S un/S em i-shade y

Andropogon glomeratusB ushy B luestem H 5 to 9 3 -6 ’/2 -3 ’ S un y

Andropogon ternariusS p litbea rd B luestem H 6 to 10 5 ’ H S un y

Andropogon virginicusB room S edge H 5 to 10 2 -4 ’ H S un y

Arundo donax var.vericolorVariega ted G iant Reed

H 6-10 9 ’/30 ’ S un n

Calamagrostis xacutiflora ‘stricta’F ea the r Reed Grass

H 4 to 8 5 ’/3 ’ S un n

Carex morrowiijapanese S edge Grass H 5 to 9 1 ’/1 ’ S un/S em i-shade n

Chasmanthium latifoliumnorthe rn S ea oa ts, Ind ianW oodoa ts

H 5 to 9 3 ’/2 ’ S un/S em i-shade y

Cortaderia selloanaUraguayan p am pas Grass H 7b to

10 8 ’/6 ’ S un n

Elymus glaucusB lue W ild Rye H 4-9 5 ’/4 ’ S un n

Elymus hystrix var.hystrixB ottleb rush Grass

H 4 to 9 2 -5 ’H S hade /S em i-shade y

Eragrostis spectabilisp urp le Loveg rass H 5 to 9 15" H S un y

Miscanthus sinensisc hinese S ilve r G rass H 5 to 9 6 ’/3 ’ S un n

Miscanthus sinensis‘strictus’p orcup ine Grass

H 4 to 9 7 ’/4 ’ S un n

Miscanthus sinensis‘variegatus’Variaga ted E qua lia

H 5 to 9 6 ’/3 ’ S un n

Miscanthus sinensis‘zebrinus’Zebra Grass

M 5 to 9 6 ’/3 ’ S un n

Muhlenbergia capillarisHa ir G rass, Ha irawn M uhly H 5 to 10 3 ’/3 ’ S un/L ight S hade y

Panicum virgatumS witchg rass H 5 to 9 3 -5 ’/2 -3 ’ S un y

Pennisetumalopecuroidesc hinese F ounta in G rass

H 5 to 9 3 ’/2 ’ S un n

PLANt MAtErIAL SELECtIoNtable L-8

L-8 ORNAMENTAL GRASSES

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ornamental grassesScientific NameCommon Name

Droughttolerance

uSDAZone

Matureheight/Spread Exposure NC

NativePennisetumalopecuroidesF ounta in G rass

H 5 to 9 3 ’/2 ’ S un n

Pennisetum setaceumF ounta in G rass M

Uselike

annua l4 ’/4 ’ S un n

Pennisetum setaceum'rubrum'c rim son F ounta in G rass

MUselike

annua l4 ’/4 ’ S un n

Pennisetum villosumF ea the rtop Grass H 6 to 8 3 ’/2 ’ S un n

Saccharum ravennae(Erianthus ravennae)Ravenna Grass, p lum e Grass

H 6 to 10 9 ’/4 ’ S un n

Schizachyrium scopariumL ittle B luestem H 3 to 8 2 /1 S un/S em i-shade y

Sorghastrum nutansInd ian Grass H 4 to 8 3 /3 S un y

PLANt MAtErIALSELECtIoN

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Purpose and Intent

PurposeThe Town strongly discourages the use of irrigation systems. Where systems are deemed necessary, alternative sources of water should be thoroughly explored. Systems that are installed must meet the design requirements as specified below.

IntentIt is the intent of the Town of Cary to encourage the use of appropriate plant materials to diminish or eliminate the need for artificial irrigation.

ApplicabilityThese standards and specifications apply to all irrigation systems used in commercial, multifamily, single family, industrial, municipal, and streetscapes in The Town of Cary. They address the design requirements, materials, installation and inspections of such systems. The design requirements apply to single family residential lots; however there is no requirement that the system be designed and submitted by a professional.

DefinitionIrrigation systems are those that provide for the application of water to any outdoor planted material by means of a permanent piping system under pressure and that is either manually, semiautomatically or automatically scheduled. A new system is any irrigation system or any addition to an existing system that changes the water consumption of the system by 5% or more (a change up or down in total system consumption).

Irrigation System Design RequirementsAll new irrigation systems must adhere to the following design criteria.

• Sprinkler heads must be spaced to provide head to head coverage, using guidelines suggested by the manufacturer and wind factors must be considered

• Sprays and rotor irrigation heads cannot be used within the same zone, except on single family properties with a single zone system

• To avoid runoff, irrigation systems should be installed so that the precipitation rate is less than the infiltration rate or a controller must be used which would limit run times to limit runoff

• Sprinklers located on a steep slope require check valves installed on all the heads on that irrigation zone

• The zoning of the irrigation system must allow that plants with different water requirements (such as grass and shrubs) be on separate zones.

• In addition the irrigation design should consider the different microclimates found in most landscapes (such as north facing grass areas vs. south facing grass areas) and separate those microclimates into zones. These zoning practices may add slightly to the installation cost of an irrigation system, but can have a dramatic effect on system efficiency.

• The controller should have multiple programs so these different irrigation schedules can be

IrrIgatIon

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utilized.• All sprinkler heads as well as drip irrigation emitters should have pressure regulation to

optimize system efficiency. This pressure regulation can be at the point of connection to the water supply, at each zone valve or located in each head/emitter.

Guidelines on pressure at the head/emitterSpray Heads 20 to 35 psiGear Rotors 60 psi or lessImpact Rotors 60 psi or lessDrip emitters 40 psi or less

Regulating pressure at the head may be the best way to improve water conservation in irrigation systems. A 10% reduction in pressure results in a 5% reduction in water flow through the head. Most spray heads are now installed with no pressure reduction leaving at least 50 psi to sometimes 80 psi at the head. The result is called “fogging”; the excess pressure creates such small water droplets that any wind will carry the water off to an adjacent property or onto the street. Reducing the pressure to 30 psi would reduce water usage by up to 31% and at the same time, the zone run time would not have to be increased but could possibly be reduced because of increased efficiency.

• In order to comply with the Town’s Water Waste Ordinance, Chapter 36, Article 3, Section 36-38, sprinklers should be chosen to avoid water being sprayed onto impervious surfaces.

• To achieve compliance with the Town’s Rain Sensor Ordinance, Chapter 36, Article 3, Section 36-84, location of rain sensor should be identified on the design plan, set to 1/4 inch and activated. Do not locate the rain sensor under structural drip lines or within 3’ of HVAC equipment. The sensor location must be readily accessible, without the use of a ladder.

• Sprays, rotors or bubblers may be placed a minimum of 4 inches within any “devil strip” or from the back of curb, sidewalk, driveway, or similar.

• Where no curb or gutter design exists, heads shall be no less than 3 feet from the edge of the asphalt.

Records• Provide a map of the valve and head layout to property owner, and place a copy near or with

the timer• All zones shall be clearly delineated in the timer cabinet• Responsible entity shall be named on inner door of timer (for emergency contact purposes)• Design the system to enable draining of the system during winterization

IrrIgatIonPurpose and Intent

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Aesthetic Landscape Buffer A planting strip which is intended to separate uses, provide vegetation in densely developed areas, and enhance the appearance of individual properties.

Buffer A portion of property designated to mitigate impacts between land uses or transportation routes, or to protect water features from pollutants. (See specific types of buffers listed below).

Caliper A standard trunk diameter measurement for nursery grown trees taken six inches above the ground for up to and including four-inch caliper size, and twelve inches above the ground for larger sizes.

Canopy tree A large tree growing to over 40’ in height at maturity, usually deciduous, that is planted to provide canopy cover shade.

Collector Street A minor thoroughfare that collects traffic from local and other non-thoroughfare streets and carries it to the major thoroughfare system.

Critical Root Zone (CRZ) A circular region measured outward from a tree trunk representing the essential area of the roots that must be maintained in order for the tree’s survival. The critical root zone is one foot of radial distance for every inch of tree DBH, with a minimum of eight feet.

DBH Diameter-at-breast-height is the tree trunk diameter measured in inches at a height of 4.5 feet above the ground.

Deciduous Those plants that annually lose their leaves.

Easement An interest in land owned by another that entitles its holder to a specific use.

Evergreen Those plants that retain foliage throughout the year.

Large shrub Shrub type vegetation with a typical height at maturity of between six and ten feet.

Large tree Tree that will reach twenty-five feet (25’) or more in height at maturity.

Medium shrub Shrub type vegetation with a typical height at maturity of between three and six feet.

Medium tree Tree that will reach between fifteen feet (15’) and twenty-five feet (25’) at maturity.

Native Vegetation Plants (trees, shrubs, vines, groundcovers, etc.) that grew in the area before the arrival of the first Europeans.

Opaque Landscape Buffer A very high density screen that is intended to substantially block visual contact between adjoining areas and to create spatial separation.

DEfINItIoNS AND ABBrEVIAtIoNS

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Ornamental Tree A small to medium tree, growing 15’ to 40’ in height at maturity, that is planted for aesthetic purposes such as colorful flowers, interesting bark, or fall foliage.

Residential Collector Street A street whose primary function is to provide access to abutting properties.

Semi-Opaque Landscape Buffer A medium density screen which is intended to partially block visual contact between adjoining areas and create spatial separation.

Significant Existing Vegetation All live trees over 4 inches in diameter, measured at 4 1/2 feet above ground level.

Small Shrub Shrub-type vegetation with a typical height range at maturity of between one and six feet. Small Tree A tree with a typical height range at maturity of between 10 and 25 feet.

Specimen Tree A tree with unique and significant features, such as size, shape, or type.

Stream Buffer A natural or vegetated area adjacent to watercourses through which stormwater runoff flows in a diffuse manner so that the runoff does not become channelized and which provides for the infiltration of runoff and filtering of pollutants.

Right-of-way A strip of land whose legal title has been offered for public access and is occupied or intended to be occupied by a travelway and is also available, with the consent of the appropriate governmental agency, for installation and maintenance of traffic control devices, regulatory and information signs, water lines, sanitary sewer lines, storm sewer lines, gas lines, power lines, and communication lines.

Street Thoroughfare A street whose primary use is carrying traffic between major centers of traffic.

Street Tree A tree planted along the street behind the right-of-way.

Streetscape Landscaping focused on the planting area parallel to a public street, designed to provide continuity of vegetation along the right-of-way and to soften the impact of development by providing a pleasing view from the road.

Vehicular Use Area The paved or non-paved area of a site intended for vehicular circulation or parking for business patrons.

Vine A woody plant that has a spreading pattern of growth. Vines may be used on the ground, on

DEfINItIoNS AND ABBrEVIAtIoNS