LCSC Rain Garden Workshop - Clemson University 2/ppt... · LCSC Rain Garden Workshop Granby Garden...
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Besty Kaemmerlen 12/3/2008 1 LCSC Rain Garden Workshop Granby Garden Park Cayce, SC Rain Gardens Rain Gardens – Plant Materials Selection Plant Materials Selection Presented by Presented by Betsy Kaemmerlen Landscape Architect December 3, 2008 December 3, 2008 Bio Filters Bio Filters Plan View Elevation Typical Section
Transcript of LCSC Rain Garden Workshop - Clemson University 2/ppt... · LCSC Rain Garden Workshop Granby Garden...
Besty Kaemmerlen 12/3/2008
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LCSC Rain Garden WorkshopGranby Garden Park Cayce, SC
Rain Gardens Rain Gardens –– Plant Materials SelectionPlant Materials Selection
Presented byPresented byBetsy KaemmerlenLandscape Architect
December 3, 2008December 3, 2008
Bio FiltersBio Filters
Plan View
Elevation
Typical Section
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Biofilter Retention AreaBiofilter Retention Area
Bio swaleBio swale
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Typical Rain Garden DetailTypical Rain Garden Detail
Source: Prince George's County, MD, 1999
Temporary Ponding OnlyTemporary Ponding Only
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Tight spaces - Good placesTight spaces - Good places
Various Residential Rain GardensVarious Residential Rain Gardens
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Formal designFormal design
….or Informal….or Informal
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Grand Entrance AlternativesGrand Entrance Alternatives
Front Yard AlternativesFront Yard Alternatives
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Along Property BoundariesAlong Property Boundaries
Parking lots – Dividing IslandsParking lots – Dividing Islands
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or along perimetersor along perimeters
Roadside solutionsRoadside solutions
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…along walks…along walks
Adding Landscape ElementsAdding Landscape Elements
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Red Cedar Serviceberry River Birch Amer. Hornbeam Redbud
Plant Recommendations - TreesPlant Recommendations - Trees
Fringetree Dogwood Amer. Holly Sassafras Mayhaw
Sweetbay Magnolia Blackgum White Cedar Hackberry Bald Cypress
Red Cedar Grey Owl Taylor Brodie SkyrocketNative Cedar VarietiesNative Cedar Varieties
White Cedar Heatherbun Red Star Winter Wonder
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Plant Recommendations - ShrubsPlant Recommendations - ShrubsChokeberry Groundsel Buttonbush Summersweet St. Johnswort
Possumhaw Indigo Bush Sweetspire Spicebush Wax myrtle
Swamp Azalea Carolina Rose Dwarf Palmetto Elderberry Viburnum
Selected ShrubsSelected ShrubsAmerican Beautyberry Lactea Welsh’s Pink dich. “Duet”
Yaupon Holly (Compact) Virginia Sweetspire Henry’s Garnet
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Planting Recommendations – Grasses & PerennialsPlanting Recommendations – Grasses & Perennials
Bluestem Swamp Milkweed Tussock Sedge Turtlehead Blue Mist Flower Joe Pye Weed
Coral Bells Texas Star Rose Mallow Cardinal Flower Lobelia Loosestrife
Beebalm Sensitive Fern Solomon’s Seal Coneflower Little Bluestem Ironweed
Planting Selections – Grasses & PerennialsPlanting Selections – Grasses & Perennials
Butterfly Milkweed New England Aster Canna Varieties River Oats
Stella D’Oro Daylily Gay-feather Muhly Grass Heavy Metal Shenandoah
Switch grass Obedient Plant Mexican Petunia Spiderwort Red Sweet Kate
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Available Plants for Fragrance!Available Plants for Fragrance!Old Man’s Beard Sweetbay Azalea viscosum Anna Bidwell Clethra
Hayscented Fern Mock Orange Spicebush
Monarda
LID Site Planning PrinciplesLID Site Planning Principles
Integrate hydrology in the site design process
Think small (small storms small drainage sub-areasThink small (small storms, small drainage sub-areas, small controls) or Think globally… Act locally
Control runoff volume at the source (permeable pavement) and recharge as close to the source as possible (limit piping and pond areas – save money!)piping and pond areas save money!)
Hydrologically functional landscape: more than just pretty plants
Emulate nature, don’t fight nature
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Permeable PavementsPermeable Pavements
Conventional DevelopmentCentralized End-of-Pipe BMPsConventional DevelopmentCentralized End-of-Pipe BMPs
BMP OptionsPipes/SwalesPondsPondsMedia FiltersSeparatorsScreening Devices
BMP IssuesTrashInvasive SpeciesInvasive SpeciesMosquitoesSafety MaintenanceLoss of Land $$
Source: Filterra Presentation 2008
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Low Impact Development (LID) Decentralized BMPsLow Impact Development (LID) Decentralized BMPs
LID OptionsRain GardensRain BarrelsRain BarrelsPermeable PaversBio SwalesVegetation StripsBioretention CellsFilterra®
LID IssuesContractor ErrorPoor Media SelectionHigh Failure RatesMaintenanceCommunity Understanding
Source: Filterra Presentation 2008
Typical Lot LayoutTypical Lot Layout
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Cross SectionDetailCross SectionDetail
PLANT MIX50% Coarse Sand20-30% Compost20-30% Topsoil
Potential FailuresPotential Failures
Sedimentation Non accessPoor infiltration Treating areas as liabilitiesgCompacted Soils Inadequate establishmentWrong Plants Poor Media Composition
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Rain Garden Design AestheticsRain Garden Design Aesthetics
Rice Paddy or Inviting Retreat?Rice Paddy or Inviting Retreat?
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Neighborhood ProjectsNeighborhood Projects
Rain Garden Workshop Betsy Kaemmerlen Landscape Architect (803) 376-6034 x 6112
