Ginkgo biloba ginkgo SIZE: Medium HABIT: Pyramidal when young; wide spreading with age.

Ginkgo bilobaGinkgo biloba“ginkgo”“ginkgo”

SIZE: Medium SIZE: Medium

HABIT: Pyramidal when young; wide HABIT: Pyramidal when young; wide spreading with agespreading with age

FOL: Bright green in summer; excellent, FOL: Bright green in summer; excellent, golden yellow in fall; leaves change golden yellow in fall; leaves change

uniformly and drop nearly simultaneouslyuniformly and drop nearly simultaneously

BARK: Gray brown with darker furrows.

FL. & FR.: Dioecious; male catkins and FL. & FR.: Dioecious; male catkins and female, fleshy yellow-tan cones in fallfemale, fleshy yellow-tan cones in fall

CULTURE: VERY adaptable to all soils and CULTURE: VERY adaptable to all soils and pH; tolerates air pollution, heat and saltpH; tolerates air pollution, heat and salt

PESTS: NONE !PESTS: NONE !

USE: Excellent urban and public area tree; a USE: Excellent urban and public area tree; a bit coarse textured for residential usebit coarse textured for residential use

MISC.: Plant male clones... female cones MISC.: Plant male clones... female cones are foetid; ‘Fastigiata’ = a columnar are foetid; ‘Fastigiata’ = a columnar

cultivar; gymnosperm; 150 million years cultivar; gymnosperm; 150 million years old; native?old; native?

Ginkgo biloba ‘Princeton Sentry’

Ginkgo biloba ‘Sunstream’

Aesculus hippocastanumAesculus hippocastanum“horsechestnut”“horsechestnut”

SIZE: MediumSIZE: Medium

HABIT: upright-oval to roundedHABIT: upright-oval to rounded

FOL: bronze-green when opening; dark FOL: bronze-green when opening; dark green in summer; poor yellow fall colorgreen in summer; poor yellow fall color

BARK: Dark gray to brown with irregular

plate-like scales.

FL. & FR.: white with a red-yellow blotch; FL. & FR.: white with a red-yellow blotch; terminal panicles 1’ long in May (very terminal panicles 1’ long in May (very

showy); brown, spiny, 2” capsule in Oct.showy); brown, spiny, 2” capsule in Oct.

CULTURE: pH adaptable; tolerates light CULTURE: pH adaptable; tolerates light shade; does not tolerate dryshade; does not tolerate dry

PESTS: Leaf blotch; leaf scorchPESTS: Leaf blotch; leaf scorch

USE: Large areas; attract wildlifeUSE: Large areas; attract wildlife

MISC.: Very popular in Europe with MISC.: Very popular in Europe with many cultivars availablemany cultivars available

Aesculus hippocastanum ‘Baumanii’

Aesculus hippocastanum ‘Aurea’

Carya ovataCarya ovata“shagbark hickory”“shagbark hickory”

SIZE: LargeSIZE: Large

HABIT: Straight trunk withHABIT: Straight trunk with

oblong crown (ascending/oblong crown (ascending/

descending branches)descending branches)

FOL: Medium green in summer; dark FOL: Medium green in summer; dark yellow in fall (incredible!)yellow in fall (incredible!)

BARK: Mature bark has a shaggy appearance with many long flat plates free

at the base or both ends.

FL. & FR.: Monoecious; 2” oblong, FL. & FR.: Monoecious; 2” oblong, smooth husk containing sweet nutssmooth husk containing sweet nuts

CULTURE: Difficult... deep tap root (2 - 3 ft); CULTURE: Difficult... deep tap root (2 - 3 ft); slow growing slow growing

PESTS: None seriousPESTS: None serious

USE: Naturalizing; attracts wildlifeUSE: Naturalizing; attracts wildlife

MISC.: Used to smoke ham/bacon. Amazing MISC.: Used to smoke ham/bacon. Amazing shaggy bark!shaggy bark!

Cladrastis kentukea Cladrastis kentukea ((lutealutea))“American yellowwood”“American yellowwood”


HABIT: Low branched, somewhat vase-HABIT: Low branched, somewhat vase-shaped with rounded crownshaped with rounded crown

FOL: bright green in summer; golden FOL: bright green in summer; golden yellow in fallyellow in fall

BARK: mature bark is smooth and gray, reminiscent of beech bark. The heartwood

is yellow.

FL. & FR.: white, fragrant, pendulous, 1’ FL. & FR.: white, fragrant, pendulous, 1’ long, terminal panicles in Junelong, terminal panicles in June

CULTURE: pH tolerant, prune only in CULTURE: pH tolerant, prune only in summer (“bleeder”); can develop weak summer (“bleeder”); can develop weak crotch anglescrotch angles

PESTS: FewPESTS: Few

USE: Shade tree, good contrasting foliage USE: Shade tree, good contrasting foliage color; residential okcolor; residential ok

MISC.: Yellow heartwood; bees frequentMISC.: Yellow heartwood; bees frequent

Gleditsia triacanthos var. inermisGleditsia triacanthos var. inermis“thornless honeylocust”“thornless honeylocust”

SIZE: Medium (variable)SIZE: Medium (variable)

HABIT: Open, spreading crownHABIT: Open, spreading crown

FOL: Bright green in summer; yellow in FOL: Bright green in summer; yellow in fallfall

BARK: Reddish brown broken up into long ridges. Can have very abrasive

thorns.

FL. & FR.: Polygamo-dioecious (mix of perfect and FL. & FR.: Polygamo-dioecious (mix of perfect and imperfect flowers), not showy; pod = reddish-imperfect flowers), not showy; pod = reddish-

brown, strap-like, 1.5’ and twistedbrown, strap-like, 1.5’ and twisted

CULTURE: Drought and wet tolerant; CULTURE: Drought and wet tolerant; VERY salt tolerant; prefers basic soils VERY salt tolerant; prefers basic soils

PESTS: Spider mites; webworm, etc...PESTS: Spider mites; webworm, etc...

USE: Lawn tree for filtered shade; pest-USE: Lawn tree for filtered shade; pest-problems temper widespread useproblems temper widespread use

MISC.: ‘Moraine’ = a seedless cultivar; ‘Ruby Lace’ MISC.: ‘Moraine’ = a seedless cultivar; ‘Ruby Lace’ = opens ruby-red and becomes purple-bronze; the = opens ruby-red and becomes purple-bronze; the species (species (G. triacanthosG. triacanthos) has stout, branched thorns; ) has stout, branched thorns;

overused as a replacement for American elms during overused as a replacement for American elms during the ‘50’s and ‘60’sthe ‘50’s and ‘60’s

Gleditsia triacanthos var. inermis ‘Ruby Lace’

Gleditsia triacanthos var. inermis ‘Emerald Kascade’

Gymnocladus dioicusGymnocladus dioicus“Kentucky coffeetree”“Kentucky coffeetree”

SIZE: Medium to LargeSIZE: Medium to Large

HABIT: Narrow , obovate crown when young/male HABIT: Narrow , obovate crown when young/male and rounded when mature/femaleand rounded when mature/female

FOL: Leaves open pinkish-green then turn FOL: Leaves open pinkish-green then turn

BARK: Dark brown with distinctive wavy ridges.

FL. & FR.: Dioecious or Polygamo-FL. & FR.: Dioecious or Polygamo-dioecious (mix of perfect and imperfect dioecious (mix of perfect and imperfect

flowers), greenish and not showy; pod = flowers), greenish and not showy; pod = reddish-brown, strap-like, 6-8”reddish-brown, strap-like, 6-8”

CULTURE: Prefers deep, rich soils; adapats CULTURE: Prefers deep, rich soils; adapats to basic soils, drought and urban conditionsto basic soils, drought and urban conditions

PESTS: None seriousPESTS: None serious

USE: Parks and large areasUSE: Parks and large areas

MISC.: One of the last trees to leaf-out in MISC.: One of the last trees to leaf-out in spring. seeds used by settlers as a substitute spring. seeds used by settlers as a substitute for coffee (when dried and ground); an for coffee (when dried and ground); an outstanding native tree!outstanding native tree!

Robinia pseudoacaciaRobinia pseudoacacia“black locust”“black locust”

SIZE: Medium to large SIZE: Medium to large

HABIT: Upright, serpentine HABIT: Upright, serpentine

trunk; unusual and striking trunk; unusual and striking

when maturewhen mature

FOL: Dull blue-green; no fall colorFOL: Dull blue-green; no fall color

BARK: Very distinctive with deep furrows

and large ridges.

FL. & FR.: Individual flowers are white FL. & FR.: Individual flowers are white and 1”; very fragrant; in dense racemes 6” and 1”; very fragrant; in dense racemes 6”

long in June; 4” long, flat, tan podslong in June; 4” long, flat, tan pods

CULTURE: Extremely adaptable; tolerates CULTURE: Extremely adaptable; tolerates dry and salty conditions; does NOT tolerate dry and salty conditions; does NOT tolerate wet sites; prune in summer (“bleeder”)wet sites; prune in summer (“bleeder”)

PESTS: Canker, leaf spots, powdery mildew, PESTS: Canker, leaf spots, powdery mildew, leaf miner, etc...leaf miner, etc...

USE: Typically a “trash” tree; survives USE: Typically a “trash” tree; survives tough conditionstough conditions

MISC.: Bees produce an outstanding honey MISC.: Bees produce an outstanding honey from this tree; ‘Umbraculifera’ = umbrella-from this tree; ‘Umbraculifera’ = umbrella-like canopy, 20’, few flowerslike canopy, 20’, few flowers

Robinia pseudoacacia ‘Purple Robe’

Robinia pseudoacacia ‘Umbraculifera’

Robinia x slavinii ‘Hillieri’

Sophora japonicaSophora japonica“Japanese scholar-tree” “Japanese scholar-tree”


HABIT: Upright and spreading HABIT: Upright and spreading

with rounded crown; open canopywith rounded crown; open canopy

FOL: Medium green; leaves fall off green FOL: Medium green; leaves fall off green in the south but turn butter yellow herein the south but turn butter yellow here

BARK: Pale brown in color. Can be

similar to black locust on mature plants.

FL. & FR.: White, sl. fragrant, in 1’ long FL. & FR.: White, sl. fragrant, in 1’ long panicles in July (showy)panicles in July (showy)

CULTURE: Sensitive to cold when first CULTURE: Sensitive to cold when first transplanted; established plants heat and transplanted; established plants heat and drought tolerant; tolerate air and soil drought tolerant; tolerate air and soil pollution pollution

PESTS: Leaf hoppersPESTS: Leaf hoppers

USE: Good for urban sites, poor soil, lawns; USE: Good for urban sites, poor soil, lawns; slightly messyslightly messy

MISC.: Used around Buddhist temples; MISC.: Used around Buddhist temples; underutilizedunderutilized

Sophora japonica ‘Pendula’

Liriodendron tulipiferaLiriodendron tulipifera“tuliptree”“tuliptree”


HABIT: Pyramidal when young;HABIT: Pyramidal when young;

oval when mature with few lower oval when mature with few lower branchesbranches

FOL: bright green in summer; golden FOL: bright green in summer; golden yellow in fallyellow in fall

BARK: Grayish brown with interlacing furrows.

FL. & FR.: Petals have a greenish-yellow exterior FL. & FR.: Petals have a greenish-yellow exterior and an orange interior, upright, cup-shaped flower and an orange interior, upright, cup-shaped flower

5”tall; fruit = aggregate of samaras (not showy)5”tall; fruit = aggregate of samaras (not showy)

CULTURE: pH adaptable; fleshy and poor CULTURE: pH adaptable; fleshy and poor root system; does NOT tolerate droughtroot system; does NOT tolerate drought

PESTS: Leaf scorch; aphids (sooty mold); PESTS: Leaf scorch; aphids (sooty mold); leaf spotsleaf spots

USE: Large areas; naturalizing; in groupsUSE: Large areas; naturalizing; in groups

MISC.: Weak-wooded; will yellow and MISC.: Weak-wooded; will yellow and defoliate first in a droughtdefoliate first in a drought

Liriodendron tulipifera ‘Medio-Pictum’

Liriodendron tulipifera ‘Arnold’

Liriodendron tulipifera ‘Aureomarginata’

Magnolia acuminataMagnolia acuminata“cucumbertree magnolia”“cucumbertree magnolia”


HABIT: Pyramidal when young; HABIT: Pyramidal when young;

elliptical when matureelliptical when mature

FOL: Dark green in summer; fall green FOL: Dark green in summer; fall green or brownor brown

BARK: Gray brown with some ridges and

furrows at maturity.

FL. & FR.: Petals greenish-yellow, 3” long, FL. & FR.: Petals greenish-yellow, 3” long, sl. fragrant, in June (not showy); sl. fragrant, in June (not showy);

Aggregate of follicles (cucumber-like)Aggregate of follicles (cucumber-like)

CULTURE: Tolerates alkaline soils; does CULTURE: Tolerates alkaline soils; does NOT tolerate wet or dry sites; NOT NOT tolerate wet or dry sites; NOT pollution tolerant; fleshy rootspollution tolerant; fleshy roots

PESTS: NonePESTS: None

USE: Large areas, naturalizingUSE: Large areas, naturalizing

MISC.: Outstanding plant according to 1998 MISC.: Outstanding plant according to 1998 Cary Award plants for New England; Cary Award plants for New England; underutilizedunderutilized

Morus albaMorus alba“common mulberry”“common mulberry”


HABIT: Extremely dense canopy, rounded HABIT: Extremely dense canopy, rounded crowncrown

FOL: Variable, typically a good dark lustrous FOL: Variable, typically a good dark lustrous green; fall color variable, green to yellowgreen; fall color variable, green to yellow

BARK: Younger stems have an orange cast to the

bark. Mature plants exhibit a more brown color.

FL. & FR.: Polygamo-dioecious, catkins; FL. & FR.: Polygamo-dioecious, catkins; fruit = fleshy multiple drupes, white, pink, fruit = fleshy multiple drupes, white, pink,

purple, 3/4”, ediblepurple, 3/4”, edible

CULTURE: Tolerates salt (air and soil); CULTURE: Tolerates salt (air and soil); tolerates drought; tolerates partial shade; tolerates drought; tolerates partial shade; soils adaptablesoils adaptable

PESTS: Few in the NortheastPESTS: Few in the Northeast

USE: Large areas, naturalizing; “trash” tree; USE: Large areas, naturalizing; “trash” tree; attracts wildlife attracts wildlife

MISC.: Fruit stains; cathartic; imported from China MISC.: Fruit stains; cathartic; imported from China for silkworm industry; ‘Chaparral’ is weeping and for silkworm industry; ‘Chaparral’ is weeping and

fruitless, ‘Pendula’ is weeping with fruitfruitless, ‘Pendula’ is weeping with fruit

Morus alba ‘Pendula’

Nyssa sylvaticaNyssa sylvatica“black gum”“black gum”



dense, horizontal branches and dense, horizontal branches and

rounded when maturerounded when mature

FOL: Dark, lustrous green in summer; FOL: Dark, lustrous green in summer; fall color is outstanding! fluorescent yellow, fall color is outstanding! fluorescent yellow,

orange, scarlet, purpleorange, scarlet, purple

BARK: Quite variable, often broken into thick irregular blocks. Mature bark can

have an alligator hide appearance.

FL. & FR.: Polygamo-dioecious; fruit = FL. & FR.: Polygamo-dioecious; fruit = oblong drupes, 1/2”, edible by wildlifeoblong drupes, 1/2”, edible by wildlife

CULTURE: Difficult to transplant (taproot); CULTURE: Difficult to transplant (taproot); prefers acidic, MWDS; full sun or partial prefers acidic, MWDS; full sun or partial shadeshade

PESTS: Cankers and leaf spotsPESTS: Cankers and leaf spots

USE: Specimen tree; street tree in rural or USE: Specimen tree; street tree in rural or suburban sites; naturalizingsuburban sites; naturalizing

MISC.: One of the best native trees for MISC.: One of the best native trees for consistent fall color!consistent fall color!

Fraxinus americanaFraxinus americana“white ash”“white ash”


HABIT: pyramidal when young; upright and HABIT: pyramidal when young; upright and rounded when maturerounded when mature

FOL: Medium green; sometimes yellow FOL: Medium green; sometimes yellow but typically purple/maroon in fallbut typically purple/maroon in fall

BARK: Gray in color, forming straight ridges and furrows.

FL. & FR.: Dioecious; not showy; fruit = FL. & FR.: Dioecious; not showy; fruit = clusters of pendulous, tan samarasclusters of pendulous, tan samaras

CULTURE: Soil adaptable; pH adaptable, CULTURE: Soil adaptable; pH adaptable, prefers MWDS (less tolerant of adverse prefers MWDS (less tolerant of adverse conditions than conditions than F. pennsylvanicaF. pennsylvanica ) )

PESTS: leaf spots, cankers, ash borer, galls, PESTS: leaf spots, cankers, ash borer, galls, scale, etc… Phytoplasms = ash yellows scale, etc… Phytoplasms = ash yellows Phytoplasmas are minute wall-less bacteria that inhabit the phloem of diseased plants

USE: Lawns, woodlands, large areasUSE: Lawns, woodlands, large areas

MISC.: ‘Junginger’ = “Autumn PurpleMISC.: ‘Junginger’ = “Autumn Purple®®” a ” a female cultivar with oval form and excellent female cultivar with oval form and excellent purple fall color; other cultivars availablepurple fall color; other cultivars available

Ash yellows:Ash yellows: http://willow.ncfes.umn.edu/ht_ash/ht_ash.htm

Fraxinus pennsylvanicaFraxinus pennsylvanica“green ash”“green ash”


HABIT: pyramidal when HABIT: pyramidal when

young; irregular to rounded young; irregular to rounded


FOL: Medium green; yellow in fallFOL: Medium green; yellow in fall

BARK: Similar to white ash but ridges aren’t as

straight and bark doesn’t appear to be as clean.

FL. & FR.: Dioecious; not showy; fruit = FL. & FR.: Dioecious; not showy; fruit = clusters of pendulous, tan samarasclusters of pendulous, tan samaras

CULTURE: Soil adaptable; tolerates high CULTURE: Soil adaptable; tolerates high pH, salt, drought, and poor soilspH, salt, drought, and poor soils

PESTS: leaf spots, cankers, ash borer, galls, PESTS: leaf spots, cankers, ash borer, galls, scale, etc... scale, etc...

USE: Lawns, street tree,...; over-plantedUSE: Lawns, street tree,...; over-planted

MISC.: ‘Marshall’s Seedless’ = a male MISC.: ‘Marshall’s Seedless’ = a male cultivar; other cultivars availablecultivar; other cultivars available

Emerald Ash BorerEmerald Ash Borer

• Emerald ash borer - Emerald ash borer - AgrilusAgrilus planipennisplanipennis - - is a new insect in the US from Asiais a new insect in the US from Asia


Planted as a replacement forPlanted as a replacement for American Elms on this street ,American Elms on this street , the ash are now also in declinethe ash are now also in decline

Epicormic shoot growthEpicormic shoot growth

Platanus x acerifolia ‘Bloodgood’Platanus x acerifolia ‘Bloodgood’“Bloodgood London planetree”“Bloodgood London planetree”


HABIT: Pyramidal and open when HABIT: Pyramidal and open when

young; wide-spreading, open crown young; wide-spreading, open crown


FOL: Medium green; tan-brown in fallFOL: Medium green; tan-brown in fall

BARK: Very ornamental, olive green to

cream colored exfoliating bark.

FL. & FR.: Monoecious; not showy; fruit = FL. & FR.: Monoecious; not showy; fruit = syncarp (multiple fruit) in a 1.5” round globe (in syncarp (multiple fruit) in a 1.5” round globe (in

2’s); disperses in October (fluff)2’s); disperses in October (fluff)

CULTURE: Soil adaptable; tolerates basic CULTURE: Soil adaptable; tolerates basic soils, air pollution (except ozone), heat, soils, air pollution (except ozone), heat, drought, and severe pruning drought, and severe pruning

PESTS: Canker, powdery mildewPESTS: Canker, powdery mildew

USE: Large open areasUSE: Large open areas

MISC.: Messy... bark exfoliates in plates in MISC.: Messy... bark exfoliates in plates in Spring, fruits disperse seeds in early fall, Spring, fruits disperse seeds in early fall, and foliage drops without fall colorand foliage drops without fall color

Platanus occidentalisPlatanus occidentalis“American planetree”“American planetree”


HABIT: Pyramidal and open when young; wide-HABIT: Pyramidal and open when young; wide-spreading, open crown when maturespreading, open crown when mature

FOL: medium green; tan-brown in fallFOL: medium green; tan-brown in fall

BARK: Scaly near the base, exfoliating on

upper trunk exposing white inner layers.

FL. & FR.: Monoecious; not showy; fruit FL. & FR.: Monoecious; not showy; fruit = syncarp (multiple fruit) in a 1.5” round = syncarp (multiple fruit) in a 1.5” round

globe; disperses in October (fluff)globe; disperses in October (fluff)

CULTURE: Soil adaptable; tolerates basic CULTURE: Soil adaptable; tolerates basic soils, air pollution, and light shadesoils, air pollution, and light shade

PESTS: Canker, powdery mildewPESTS: Canker, powdery mildew

USE: Large open areas; naturalizingUSE: Large open areas; naturalizing

MISC.: Messy... bark exfoliates in plates in MISC.: Messy... bark exfoliates in plates in Spring, fruits disperse seeds in early fall, Spring, fruits disperse seeds in early fall, and foliage drops without rewardand foliage drops without reward

Prunus sargentiiPrunus sargentii“Sargent cherry”“Sargent cherry”


HABIT: Vase-shaped when HABIT: Vase-shaped when

maturemature

FOL: New foliage is reddish; lustrous, dark FOL: New foliage is reddish; lustrous, dark green in summer; bronze to red fall colorgreen in summer; bronze to red fall color

BARK: Rich polished maroon to chestnut

brown. Prominent lenticels.

FL. & FR.: Single, pink 1.5” across, FL. & FR.: Single, pink 1.5” across, clustered in umbels in May; fruit = 1/3” clustered in umbels in May; fruit = 1/3”

purple-black drupe in Julypurple-black drupe in July

CULTURE: Tolerates partial shade; tolerates CULTURE: Tolerates partial shade; tolerates pruningpruning

PESTS: FewPESTS: Few

USE: Lawn tree; specimen; attracts wildlifeUSE: Lawn tree; specimen; attracts wildlife

MISC.: Beautiful polished red-chestnut MISC.: Beautiful polished red-chestnut brown bark brown bark

Prunus sargentii ‘Columnaris’

Pyrus calleryana ‘Bradford’Pyrus calleryana ‘Bradford’“Bradford pear”“Bradford pear”


HABIT: Conical/pyramidal when HABIT: Conical/pyramidal when

young; upright oval when matureyoung; upright oval when mature

FOL: Very dark, glossy green foliage; FOL: Very dark, glossy green foliage; scarlet and purple in fallscarlet and purple in fall

BARK: Lightly ridged and furrowed. Grayish brown at maturity.

FL. & FR.: White, 1/2” across, in corymbs FL. & FR.: White, 1/2” across, in corymbs in May before foliage, malodorous; fruit = in May before foliage, malodorous; fruit =

1/2” round, tan pome (not showy)1/2” round, tan pome (not showy)

CULTURE: Soil adaptable; tolerates CULTURE: Soil adaptable; tolerates drought; tolerates air pollutiondrought; tolerates air pollution

PESTS: Resistant to fireblight (bacteria)PESTS: Resistant to fireblight (bacteria)

USE: Street tree, lawn tree; overused!USE: Street tree, lawn tree; overused!

MISC.: Found all over the country!!! Tight MISC.: Found all over the country!!! Tight crotch angles that are subject to splitting in crotch angles that are subject to splitting in ice or stormsice or storms

Phellodendron amurensePhellodendron amurense“amur corktree”“amur corktree”


HABIT: Broad spreading with a HABIT: Broad spreading with a

short trunk, open and roundedshort trunk, open and rounded

crowncrown

FOL: Lustrous, medium green; yellow in fallFOL: Lustrous, medium green; yellow in fall

BARK: Distinctly ridged and furrowed on

mature bark. Gray-brown in color.

FL. & FR.: Dioecious; not showy; fruit = FL. & FR.: Dioecious; not showy; fruit = 1/2” black drupe in October (female)1/2” black drupe in October (female)

CULTURE: Soil adaptable; tolerates air CULTURE: Soil adaptable; tolerates air pollutionpollution

PESTS: None; leaf scorchPESTS: None; leaf scorch

USE: Parks and large areas; NOT a good USE: Parks and large areas; NOT a good street treestreet tree

MISC.: May be added to the weedy tree list MISC.: May be added to the weedy tree list out West. Not a problem in Vermontout West. Not a problem in Vermont

Populus albaPopulus alba“white poplar”“white poplar”


HABIT: Broad spreading, HABIT: Broad spreading,

open and rounded crownopen and rounded crown

FOL: Dark green above and silver-white below; FOL: Dark green above and silver-white below; no fall colorno fall color

BARK: Light green to whitish with darker blotches. Mature trunks can become dark with

deep furrows.

FL. & FR.: Dioecious; not showy; fruit = FL. & FR.: Dioecious; not showy; fruit = 3-4” catkin containing capsules (female)3-4” catkin containing capsules (female)

CULTURE: Easy to grow! Soil adaptable; CULTURE: Easy to grow! Soil adaptable; tolerates air pollution, pH, and salt spray; tolerates air pollution, pH, and salt spray; prune in summer/fall (“bleeds” if pruned in prune in summer/fall (“bleeds” if pruned in winter/spring)winter/spring)

PESTS: Canker, leaf spots, aphids, etc.PESTS: Canker, leaf spots, aphids, etc.

USE: Parks and large areas; NOT a good USE: Parks and large areas; NOT a good street tree or residential tree as roots can street tree or residential tree as roots can clog drainsclog drains

MISC.: Dirr hates this plant! Can sucker MISC.: Dirr hates this plant! Can sucker from roots and can be weak-wooded but it from roots and can be weak-wooded but it adds an unusual color to the landscape!!adds an unusual color to the landscape!!

Populus deltoidesPopulus deltoides“Eastern cottonwood”“Eastern cottonwood”



vase-shaped when maturevase-shaped when mature

(often irregular)(often irregular)

FOL: Medium green above and below; FOL: Medium green above and below; seldom any fall color seldom any fall color

BARK: Gray and divided into thick flattened

ridges separated by deep fissures.

FL. & FR.: Dioecious; catkins (not showy); fruit FL. & FR.: Dioecious; catkins (not showy); fruit = capsules releasing cottony seeds in June= capsules releasing cottony seeds in June

CULTURE: Tolerates dry or wet sites; CULTURE: Tolerates dry or wet sites; tolerates salt and pollution; pH adaptabletolerates salt and pollution; pH adaptable

PESTS: Canker, rusts, spots, powdery PESTS: Canker, rusts, spots, powdery mildewmildew

USE: None except along rivers/streamsUSE: None except along rivers/streams

MISC.: Very messy; weak wooded; best in MISC.: Very messy; weak wooded; best in river bottomsriver bottoms

Populus nigra Populus nigra ‘Italica’‘Italica’“Lombardy poplar”“Lombardy poplar”


HABIT: ColumnarHABIT: Columnar

FOL: Dark green above and light below; no fall colorFOL: Dark green above and light below; no fall color

FL. & FR.: Dioecious; male catkins; not showyFL. & FR.: Dioecious; male catkins; not showy

BARK: Whitish bark in youth which becomes dark and slightly furrowed with time.

CULTURE: Soil adaptable CULTURE: Soil adaptable

PESTS: Canker often kills this plantPESTS: Canker often kills this plant

USE: WindbreakUSE: Windbreak

MISC.: Very short-lived; introduced to MISC.: Very short-lived; introduced to North America in 1784 from Italy. Very North America in 1784 from Italy. Very formal tree widely used in Europe and formal tree widely used in Europe and Montreal, CanadaMontreal, Canada

Salix alba Salix alba ‘Tristis’‘Tristis’“golden weeping willow”“golden weeping willow”


HABIT: Mounded and weepingHABIT: Mounded and weeping

FOL: Bright green above and silvery FOL: Bright green above and silvery (glaucous) below; yellow in fall(glaucous) below; yellow in fall

BARK: Yellowish brown, somewhat

corky.

FL. & FR.: Dioecious; catkins; (not showy)FL. & FR.: Dioecious; catkins; (not showy)

CULTURE: Prefer moist to wet sites; CULTURE: Prefer moist to wet sites; pHpH

adaptableadaptable

PESTS: Powdery mildew; rust, aphids, PESTS: Powdery mildew; rust, aphids,

etc...etc...

USE: Beautiful around ponds and lakesUSE: Beautiful around ponds and lakes

MISC.: Weak-wooded; short-lived; MISC.: Weak-wooded; short-lived;

graceful; roots seek-out water!graceful; roots seek-out water!

Salix matsudana ‘Tortuosa’Salix matsudana ‘Tortuosa’“dragon’s claw willow”“dragon’s claw willow”


HABIT: Upright and spreadingHABIT: Upright and spreading

FOL: Bright green above and silvery FOL: Bright green above and silvery (glaucous) below; yellowish in fall(glaucous) below; yellowish in fall

BARK: Greenish brown, similar to S. alba.

FL. & FR.: Dioecious; catkins; (not showy). FL. & FR.: Dioecious; catkins; (not showy). This is a female clone!This is a female clone!

CULTURE: Prefer moist to wet sitesCULTURE: Prefer moist to wet sites

PESTS: Rust, aphids, canker, willow leaf PESTS: Rust, aphids, canker, willow leaf beetle, etc...beetle, etc...

USE: Beautiful around ponds and lakesUSE: Beautiful around ponds and lakes

MISC.: Weak-wooded; short-lived; good MISC.: Weak-wooded; short-lived; good for florist industry; interesting texture in for florist industry; interesting texture in the winter landscapethe winter landscape

Ginkgo biloba ginkgo SIZE: Medium HABIT: Pyramidal when young; wide spreading with age.

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