How To Design Rain Garden
Wherever you are in the world here are some general rules of thumb to follow when choosing plants for your rain garden.
How to design rain garden. Rain gardens including small homeowner and community gardens are an important tool for watershed conservation and preservation. Soil removed from the rain garden can be mounded up around 3 4 of the bed. Outline the potential area with a hose or rope first and view it from all angles as well as from inside your home to envision the finished product.
More than a dozen rain garden designs can easily be found on the internet. Choose drought tolerant plants that can also survive standing water for up to 48 hours. If your location s slope is less than 4 you ll want a rain garden between 3 5 inches 7 6 12 7 centimeters deep.
Plant a combination of flowering species ground cover creeping plants sedges rushes and grasses. If you don t have a natural depression then you can create either by manual digging or by using an excavator. Proper rain garden design dictates that only perennial plants be installed.
The rain garden should be level across the bottom of the bed. This document will provide the basics for homeowner rain garden engineering design. Plants for a rain garden.
If on a slope this berm goes on the lower end of the slope. The basin should be flat bottom with sloping sides. Plants for a rain garden proper rain garden design dictates that only perennial plants be installed.
For slopes between 5 7 create a rain garden 6 7 inches 15 3 17 8 centimeters deep. Rain gardens work by capturing holding and infiltrating rainwater runoff on individual sites. Underground resources and the roots of the trees also influence the site selection.