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Rain Gardens A beautiful choice for stormwater Stormwater Division Stormwater Runoff Water Quality Water Quantity Kansas River Wakarusa River 19 th Century Lawrence 20 th Century Lawrence 21st Century Lawrence Increased Runoff Flooding Pollution Pollutants In Our Stormwater

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Presentation Transcript
water quality
Water Quality

Water Quantity

slide4

Kansas River

Wakarusa River

slide8

Increased Runoff

Flooding

Pollution

slide12

Pollutants In Our Stormwater

Pet Waste

Sediment

Fertilizers and Lawn Chemicals

Detergents and Paint

Yard Waste

Motor Oil and Antifreeze

slide13

-Rain Garden-

  • Collects runoff from roof and yard, keeping it out of stormwater drainage system.
  • Allows pollutants to be filtered out and decreases localized flooding.
slide14

Unlike bog or wetland gardens, Rain Gardens hold water for only 1 to 2 days.

  • Compared to a conventional lawn, a Rain Garden can allow 30% more water to soak into the ground. Rain Gardens are also wonderful habitat for wildlife and can be an attractive asset to any property.
slide15

Site Selection

  • How large
  • Foundation
  • Property lines
  • Downspouts
  • Overflow
  • Location of trees
  • Locate utilities
slide16

Urban

  • Design & Plant Selection
  • Front or back yard
  • Formal or natural
  • Full sun or shade
  • Native plants, shrubs, grasses
  • Wet and dry conditions

Natural

slide17

SWAN Rain Garden

320 Industrial Lane

slide18

Design

Plant species

Number of plants needed

slide19

Construction

  • 2-8 inches deep
  • Flat bottom
  • Man or machinery
  • Amend poor soils

Source: Rain Gardens – A how-to manual for homeowners

slide20

Planting

  • Zones
  • Plant placement - height
  • Defined edge
  • Mulch
slide24

Maintenance

  • Do not fertilize
  • Limit soil/debris
  • Remove weeds – no herbicides
  • Water 1st year
  • Limit compaction
slide27

Visitation Church

5141 Main, Kansas City

slide34

Rose Turtlehead

Cardinal Flower

Marsh Milkweed

Butterfly Milkweed

Prairie Coreopsis

New England Aster

Sideoats Grama

Prairie Blazing Star

Blue Lobelia

Golden Alexanders

Culver’s Root

Little Bluestem

Yellow Coneflower

Frank’s Sedge

Blue Flag Iris

slide35

Daylily Garden

Source: City of Maplewood, MN

slide36

Shrub Garden

Source: City of Maplewood, MN

slide37

Prairie Garden

Source: City of Maplewood, MN

slide38

Butterfly Garden

Source: City of Maplewood, MN

slide39

Shade Garden

Source: City of Maplewood, MN

slide40

Sunny Border Garden

Source: City of Maplewood, MN