It goes completely dormant out here from mid July through September. You may want to try it in as dry a sight as possible. Other than that I don't think it's too picky about soil and such.
From the High Desert Steppe
of the Great Basin and the Eastern
Escarpment of the Sierra Nevada Range
Located in Reno/Sparks,NV zone 6-7http://www.flickr.com/photos/sierrarainshadow/
John P Weiser