Swale idea: Simple, inexpensive ways of saving rainwater COURTESY OF DAN DORSEY Jul 15, 2012 (…) Flowering plants fill a shallow depression, or swale. Leftover dirt can be used for basin berms. COURTESY OF DAN DORSEY Tags Gardneing Landscaping Water Harvesting As featured on Swale idea: Simple, inexpensive ways of saving rainwater How much rainwater have you kept in your yard so far this season? It's not too late to start… When you just want a little more room for shoes Find experts in Tucson who can help give you more storage space in your home. Closet additions are a cost effective way to add value to your home.