Rain gardens are a way to keep stormwater from running off your yard while making it more beautiful. With a little planning, you can install a beautiful, easy-to-maintain rain garden that keeps water in your yard where your plants can use it—and not running off and washing fertilizer, herbicides and pesticides, pollutants, and animal waste into the storm drain and local streams and ponds.
Rain garden design tips
Most residential rain gardens are fairly compact, typically ranging in size from 60 square feet to 180 square feet. The water gardens can be any shape and size including popular designs like a straight rectangular flower bed, a circle of flowers, or a crescent-shaped garden along a slope.
The standard way to size a rain garden is to make it 30% of the size of the surface it drains into. Look at the nearby roof, driveway, or sidewalk that sheds water