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Building A Raingarden. First, find a site where water naturally collects. Then, plan to dig a hole deep enough to hold runoff from a one inch rainfall. To calculate runoff and excavation depth, see http://www.bae.ncsu.edu/topic/ raingarden/Building.htm#size.
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Building A Raingarden First, find a site where water naturally collects. Then, plan to dig a hole deep enough to hold runoff from a one inch rainfall. To calculate runoff and excavation depth, see http://www.bae.ncsu.edu/topic/ raingarden/Building.htm#size
Plant Native SpeciesFor Lists, seebae.ncsu.edu/topic/raingarden/plants.htm