Rain Garden Design North Carolina
North carolina cooperative extension andrew anderson north carolina state university.
Rain garden design north carolina. If it takes more than 36 hours to drain choose a backyard wetland. Once the percent impervious has been calculated the simple method section 3 3 can be used to. They can be planted with trees shrubs and flowering plants.
Dig a hole 1 foot deep. The runoff capture depth is the amount of rainfall that you want the rain garden to treat. Rain garden planting design rain gardens can be any shape work with contour of site groups of plants look better than 1 of this 1 of that.
Each rain garden design is unique and therefore blanket recommendations on plant selection cannot be made. Rain garden plant function nutrient and some heavy metal. A simple infiltration test will ensure that the rain garden drains well.
Your yard can do more than just beautify your home by adding a rain garden to your landscape your yard can also serve as a first line of defense in. Usally 1 inch in north carolina. If it drains in 12 36 hours a rain garden may be possible but you will likely need design help.
Photo courtesy of the epa. Fill it with water. Rain gardens should be sized to capture the first flush event.
Rain gardens are shallow depressions that capture and treat stormwater naturally.