Swale idea: Simple, inexpensive ways of saving rainwater Print Email Flowering plants fill a shallow depression, or swale. Leftover dirt can be used for basin berms. July 15, 2012 12:00 am • COURTESY OF DAN DORSEY Comments Tags Gardneing, Landscaping, Water Harvesting Join Discussion Related Stories Swale idea: Simple, inexpensive ways of saving rainwater More Garden stories Summer approaches, so give heat-loving plants a home Living pictures are hot trend Scandinavian style has simple, refined vibe Phenology: the study of nature's seasonal changes