What are some benefits of creating a rain garden?

A well placed rain garden reduces runoff and flooding, and filters pollutants carried in stormwater runoff. Along with the municipal benefits and the conservation of a valuable natural resource, rain gardens create excellent habitat for birds and butterflies.

What are the benefits of rain gardens?

Rain gardens perform the following functions: filter stormwater runoff before it enters local waterways, alleviates problems associated with flooding and drainage, recharges the ground water supply, provides habitat and food for wildlife, including birds and butterflies, and enhances the beauty of yards and the …

What are 3 benefits of rain gardens?

Rain garden benefits include pollution control, flooding protection, habitat creation and water conservation.

Where should a rain garden be placed?

The rain garden should be located in a place that can collect as much impervious area (driveway, roof, sidewalks) runoff as possible. The best areas are generally where water naturally drains but doesn’t hold water. It should also be located at least 5′-15′ away from your home.

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What benefit would rain gardens most likely provide for a community?

Filter pollutants from runoff, • Recharge groundwater, • Conserve water, • Protect guts, ponds and coastal waters, • Remove standing water in your yard, • Reduce mosquito breeding, • Increase beneficial insects that eliminate pests, • Reduce potential of home flooding, • Create habitat for birds & butterflies, • …

What are the benefits of a rain barrel?

Rain barrels capture water from a roof and hold it for later use such as on lawns, gardens or indoor plants. Collecting roof runoff in rain barrels reduces the amount of water that flows from your property. It’s a great way to conserve water and it’s free water for use in your landscape.

How do rain gardens work?

A Rain Garden receives water from impervious (hard) surfaces such as rooftops, sidewalks, driveways and patios. The shallow depression of the garden holds the water so it can slowly infiltrate back into the soil as the plants, mulch and soil naturally remove pollutants from the runoff.

How much do rain gardens cost?

Cost. The cost associated with installing residential rain gardens average about three to four dollars per square foot, depending on soil conditions and the density and types of plants used in the installation. Commercial, industrial and institutional site costs can range between ten to forty dollars per square foot.

How much water can a rain garden hold?

If your rain garden (aka swale) is 10′ wide and 8-1/2′ long, its area (10′ x 8.5′) is 85 square feet. So at 12” deep, it will hold about 620 gallons of rainwater. If you dig it down just 6” deep, your rain garden will hold only half of that, or just 310 gallons of water.

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What kind of plants go in a rain garden?

Try a mix of wildflowers, perennials, ornamental grasses, natives and other plants recommended for your USDA growing zone. They should be able to tolerate both wet conditions when rainwater fills the garden and dry conditions when rain is scarce.

How do you build a simple rain garden?

Create the rain garden by building a berm in a low spot in the yard, then build swales to channel runoff from the gutters and higher parts of the yard. The water is then absorbed into the soil through the network of deep plant roots. Use a mix of plants adapted to your area and to the different water depths.

How deep should my rain garden be?

A typical rain garden is between four and eight inches deep. A rain garden more than eight inches deep might pond water too long, look like a hole in the ground, and present a tripping hazard for somebody stepping into it.

How do you maintain a rain garden?

Key Maintenance Tips

  1. Water regularly to promote plant growth especially during the first two years and dry spells.
  2. Inspect site following rainfall events. …
  3. Prune and weed to maintain appearance.
  4. Replace mulch as needed.
  5. Soil fertilization is unnecessary as rain gardens are designed to absorb excess nutrients.

How do you build a rain garden in clay soil?

Try using a 2:1 ratio of the drainage area to the surface area of your garden (most rain gardens in better soils use approximately a 4:1 ratio). For instance, if your garden will be draining a 200 sq. ft. of rooftop, plan the surface area of your garden to be 100 sq.

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