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Plants for Rain Gardens and Pond Edges - UF/IFAS OCI · 2010-12-13 · Plants for Rain Gardens and...
Transcript of Plants for Rain Gardens and Pond Edges - UF/IFAS OCI · 2010-12-13 · Plants for Rain Gardens and...
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Plants for Rain Gardens and Pond Edges
Marina D’Abreau
UF-IFAS Hillsborough County Extension
Florida Extension Master Gardener
Continued Training Conference
October 26, 2010, 1:45 pm
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Outline for Today…
• Rain Gardens– Site Selection
– Plant Selection
– Suggested Plant List
• Pond Edges– Transitional zone
– Plant Selection
– Suggested Plant List
• Other Considerations
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A Rain Garden is…
a type of landscaped area with appropriate flowers, grasses and other vegetation that catches excess rain water from a roofline or gutter system and filters it back into the ground, where it can recharge groundwater resources.
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Why Are Rain Gardens Important?
• Capture/increase water that filters into the soil.
• Reduce flooding and drainage problems.
• Capture and breakdown lawn fertilizers, pesticides and other substances.
• Reduce soil erosion.
• Enhance your yard with beautiful, low-maintenance plants.
• Attract birds, butterflies and other wildlife.
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Rain Garden Site Selection
• Naturally low area that collects rainwater and runoff
• Area to which runoff can be directed
• Full sun
• Away from tree roots, septic tanks, wells, etc.
• At least 10 feet from buildings
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Rain Garden – Type A
Deep basin planted with shrubs, tall grasses, ferns and perennials
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Rain Garden – Type B
Dry creek with pebbles, river stone, boulders and plants
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Rain Garden – Type C
Sloped depression on upper side with a berm on the lower side
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Rain Garden Plant Selection
• Ability to survive prolonged wet conditions
• Ability to survive prolonged dry conditions
• Strong, expansive root systems
• Create visual interest
• Height diversity
• Attractive to wildlife
• Easy to maintain
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Rain Garden Plant List
Goldenrod (Solidago spp.)
Milkweed (Asclepias spp.)
Canna (Canna spp.)
Swamp sunflower (Helianthus angustifolius)
Cinnamon fern (Osmunda cinnamomea)
Frog-fruit (Phyla nodiflora)
Carolina aster (Aster carolinianus)
Wiregrass (Aristida stricta var. beyrichiana)
Elephant ears (Alocasia spp.)*
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A Stormwater Pond is…
• Part of the infrastructure for land use management
• Provides water quality and flood protection
• Important because stormwater runoff is the State’s largest water pollution source (Source: SWFWMD)
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Why Are Pond Edge Plants Important?
• Enhances the pond’s ability to remove non-point pollutants by providing habitat for microorganisms that remove nutrients and toxic compounds dissolved in the water.
• Improves the pond’s appearance by disguising water level changes and floating debris.
• Helps stabilize transitional zone from erosion.
• Provides habitat for beneficial insects and wildlife.
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Ponds – Hydrologic Zones
ZONE # ZONE DESCRIPTION
HYDROLOGIC CONDITIONS
1 Deep Water Pool 1’-6’ deep permanent pool
2 Shallow Water Bench
6”-1’ deep
3 Shoreline Fringe Regularly inundated
4 Riparian Fringe Periodically inundated
5 Floodplain Terrace Infrequently inundated
6 Upland Slopes Seldom or never inundated
TRANSITIONAL ZONE
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Pond Edge Plant Selection
• Ability to survive prolonged wet conditions
• Ability to survive prolonged dry conditions
• Native vs non-native
• Eliminate invasives
• Mature size/sight obstruction
• Low maintenance
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Pond Edge Plant List
Lobelia (Lobelia spp.)
Leavenworth’s tickseed (Coreopsis leavenworthii)
Pickerelweed (Pontederia cordata)
Water hyssop (Bacopa monnieri)
Jointed flat sedge (Cyperus articulatus)
Soft rush (Juncus effuses)
Leather fern (Acrostichum danaeifolium)
Muhly grass (Muhlenbergia capillaris)
Cattails (Typha spp.)*
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http://edis.ifas.ufl.edu/fa007
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Other Considerations
• Size and shape of rain garden
• Hardscaping
• Mulch
• Pruning
• Weeding
• Short- and long-term maintenance
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Hardscapes
• Transition water away from building
• Garden art
• Visual interest
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Maintenance Tips
• Use chemical fertilizers sparingly.
• Avoid insecticides and herbicides.
• Don’t let grass clippings into the pond.
• Plant, don’t pave. Ground cover minimizes runoff.
• Add more swales and berms to your yard.
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Questions?