Buddleia lindeyana Loganiaceae Kristin Yanker-Hansen, Danville This shrub from China grows to 12 feet and is yet another of the butterfly bushes that is great for the Bay Area. It blooms for a long season, especially if dead-headed after flowering. It’s purple-violet flowers are held upright. It takes full sun, is somewhat drought tolerant and tolerates moderate frost. Photo by Don Gerimonte