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Rain
                                   What is a Rain Garden?                              Where can I build a
                                                                                         Rain Garden?
                                                          Rain gardens are



 Gardens
                                                          beautiful natural
                                                          looking gardens         Rain gardens can be planted just
                                                          that capture            about anywhere, but the best place
                                    www.co.lake.il.us     storm water run         for one is in a natural depression (a
                                                          off and allow it to     low lying area where water flows
                                   slowly seep into the ground. By                naturally) in a fairly flat part of your
                                   capturing runoff, rain                         yard.
   a simple guide to               gardens decrease
                                   erosion, help recharge                         It is best to place your garden next to
beautifying your home              underground aquifers,                          an impervious
                                   protect near by lakes                          surface such
 and improving water               and streams from                               as a driveway,
                                   harmful pollutants and                         patio, or
        quality                    sediment, and can
                                                               www.artandlindas
                                                               wildflowers.com    sidewalk so it
                                   lower the risk of local                        can catch run
                                   flooding.                                      off. Rain           news.minnesota.publicradio.org
                                                                                  gardens can
                                                                                  also be placed near roof downspouts.
                                   Rain gardens are large basins that
                                   collect and hold water that runs off           Rain gardens should be planted at
                                   impervious (hard) surfaces like your           least 10 feet from houses and
                                   roof or driveway. The porous nature            foundations to prevent flooding and
                                   of the rain garden soil allows the             slopes greater than 12% are
                                   water to infiltrate into the ground.           inappropriate for these gardens. Rain
                                   While the plants, mulch and soil, in the       gardens should also not be planted
                                   garden trap pollutants and sediment.           on top of septic tank drain fields or
      Alabama Cooperative                                                         where water pools in your yard. These
                                     The water will infiltrate in 1-2 days,       areas have low infiltrations and can
       Extension System
                                                               which will         promote flooding and overwhelm
www.aces.edu/waterquality/mg.htm                               decrease           your septic tank.
                                                             flooding and
                                                           prevent mosquito
                                                            development.
                                     www.aces.edu
3. Use a rope to lay out the boundary          7. Choose plants and plant your rain
  How do I build a rain                          of your garden with the longest side           garden. This is the fun part. Let your
       garden?                                   facing the source of water                     imagination go. You can choose a
                                                                                                color theme or
                                                 4. Once the garden is laid out you             choose plants
                                                 can start digging (bring friends). The         that will attract
1. Locate an appropriate site for your           depth of your garden will depend on            butterflies and
garden.                                          the slope of your landscape. For a             hummingbirds.
                                                 rough guide:                                                                     www.co.monroe.in.us
2. Determine the size and shape of                      •   slope less than  4% - 3-5 in deep   We suggest
your garden                                             •   slope between 5-7 % - 6-7 in deep   using native plants, which are not only
                                                        •   slope between 8-12% - 8 in deep
                                                                                                beautiful, but are tolerant to our
   •   Rain gardens can be any size or
                                                 The bottom of your garden should be            weather and pests. A list of native
       shape, but to be effective they should
       be sized to accommodate the water         as level as possible. The dirt removed         plants is available at our website:
       from the drainage area.                                                from the
                                                                              garden            www.aces.edu/waterquality/mg.htm
   •   To calculate the size of the rain
       garden, get a rough estimate of the                                    can be
       square footage (length x width) of the                                 used to           You can even use
       drainage area (roof, sidewalk, lawn,                                   create a          your runoff as a
       or driveway).                                                          berm or
                                                   www.uri.edu                                  water feature.
   •   Consider your soil types. If you have
                                                                              barrier on
       clayey soils your rain garden should      the downhill side of the garden to             Ask your local
       be 60% of the drainage area, if your      keep water in the garden.                      landscape
       soil is sandy you should have 20% of                                                     specialist for more
       the area. The less sandy your soil, the                                                                                       www.artandlindaswildflowers.com
                                                 5. If you have poor soil (really sandy or      great ideas.
       larger your garden needs to be.
                                                 really clayey) you may want to add
   Ex. You would like to build a garden to       organic matter or sand to your                 8. Add 3in of hardwood mulch to your
   catch the run off from your roof. If the      garden. Good rain garden soil will be          garden.
   spout you choose drains ¼ of your 2000 sq     50-60% sand, 20-30% topsoil and 20-
   ft roof and your soil is sandy. So 2000/4=
   500 X 0.2= 100 sq ft. You will need a
                                                 30% compost. The clay content                  You may need to periodically water and
   garden 100 sq ft in area.                     should not be more than 10%.                   mulch your garden until it gets established
                                                                                                  and then sit back and enjoy as your
   *If you choose a rain garden larger than      6. You may wish to stabilize the                            garden grows.
   300 sq ft, you should consult a landscape
                                                 borders or your rain garden
   specialist, or build 2 smaller gardens.
                                                 (especially the berm) with sod,
   *Remember that these are just suggestions     groundcover, or native grasses. This
                                                                                                   Information provided by: Rain gardens for home landscapes,
   any rain garden will help control storm       will also help slow the water as it                University of Georgia Clean Water Campaign; Rain Gardens,
   water.                                        enters the garden.                             University of Wisconsin-Extension; and Designing Rain Gardens, North
                                                                                                               Carolina Cooperative Extension Service.

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AL: Rain Garden Brochure

  • 1. Rain What is a Rain Garden? Where can I build a Rain Garden? Rain gardens are Gardens beautiful natural looking gardens Rain gardens can be planted just that capture about anywhere, but the best place www.co.lake.il.us storm water run for one is in a natural depression (a off and allow it to low lying area where water flows slowly seep into the ground. By naturally) in a fairly flat part of your capturing runoff, rain yard. a simple guide to gardens decrease erosion, help recharge It is best to place your garden next to beautifying your home underground aquifers, an impervious protect near by lakes surface such and improving water and streams from as a driveway, harmful pollutants and patio, or quality sediment, and can www.artandlindas wildflowers.com sidewalk so it lower the risk of local can catch run flooding. off. Rain news.minnesota.publicradio.org gardens can also be placed near roof downspouts. Rain gardens are large basins that collect and hold water that runs off Rain gardens should be planted at impervious (hard) surfaces like your least 10 feet from houses and roof or driveway. The porous nature foundations to prevent flooding and of the rain garden soil allows the slopes greater than 12% are water to infiltrate into the ground. inappropriate for these gardens. Rain While the plants, mulch and soil, in the gardens should also not be planted garden trap pollutants and sediment. on top of septic tank drain fields or Alabama Cooperative where water pools in your yard. These The water will infiltrate in 1-2 days, areas have low infiltrations and can Extension System which will promote flooding and overwhelm www.aces.edu/waterquality/mg.htm decrease your septic tank. flooding and prevent mosquito development. www.aces.edu
  • 2. 3. Use a rope to lay out the boundary 7. Choose plants and plant your rain How do I build a rain of your garden with the longest side garden. This is the fun part. Let your garden? facing the source of water imagination go. You can choose a color theme or 4. Once the garden is laid out you choose plants can start digging (bring friends). The that will attract 1. Locate an appropriate site for your depth of your garden will depend on butterflies and garden. the slope of your landscape. For a hummingbirds. rough guide: www.co.monroe.in.us 2. Determine the size and shape of • slope less than 4% - 3-5 in deep We suggest your garden • slope between 5-7 % - 6-7 in deep using native plants, which are not only • slope between 8-12% - 8 in deep beautiful, but are tolerant to our • Rain gardens can be any size or The bottom of your garden should be weather and pests. A list of native shape, but to be effective they should be sized to accommodate the water as level as possible. The dirt removed plants is available at our website: from the drainage area. from the garden www.aces.edu/waterquality/mg.htm • To calculate the size of the rain garden, get a rough estimate of the can be square footage (length x width) of the used to You can even use drainage area (roof, sidewalk, lawn, create a your runoff as a or driveway). berm or www.uri.edu water feature. • Consider your soil types. If you have barrier on clayey soils your rain garden should the downhill side of the garden to Ask your local be 60% of the drainage area, if your keep water in the garden. landscape soil is sandy you should have 20% of specialist for more the area. The less sandy your soil, the www.artandlindaswildflowers.com 5. If you have poor soil (really sandy or great ideas. larger your garden needs to be. really clayey) you may want to add Ex. You would like to build a garden to organic matter or sand to your 8. Add 3in of hardwood mulch to your catch the run off from your roof. If the garden. Good rain garden soil will be garden. spout you choose drains ¼ of your 2000 sq 50-60% sand, 20-30% topsoil and 20- ft roof and your soil is sandy. So 2000/4= 500 X 0.2= 100 sq ft. You will need a 30% compost. The clay content You may need to periodically water and garden 100 sq ft in area. should not be more than 10%. mulch your garden until it gets established and then sit back and enjoy as your *If you choose a rain garden larger than 6. You may wish to stabilize the garden grows. 300 sq ft, you should consult a landscape borders or your rain garden specialist, or build 2 smaller gardens. (especially the berm) with sod, *Remember that these are just suggestions groundcover, or native grasses. This Information provided by: Rain gardens for home landscapes, any rain garden will help control storm will also help slow the water as it University of Georgia Clean Water Campaign; Rain Gardens, water. enters the garden. University of Wisconsin-Extension; and Designing Rain Gardens, North Carolina Cooperative Extension Service.