Angela Nelson, an engineer, who worked at our nursery while a student wrote an article for our catalog about rain gardens, their design and species lists for the PNW. While there is zonation in the rain garden itself however with our climate here in western Washington that is wet winters and summer drougth the perennial species in her list are those found in summer dry prairies. Her article, Rain Gardens: A Low Tech Approach to Stormwater Management can be found here http://fourthcornernurseries.com/articles/… Rich Haard, Bellingham, Wa On May 11, 2012, at 5:28 PM, Jane McGary wrote: