Answer: Clay soil actually holds moisture better than other soil types, but first amend your soil with a 4-6 inch layer of compost, which will help improve its structure and fertility. Many perennials are sun lovers. Consider coreopsis, yarrow, butterfly weed (asclepias), lavender, catmint, gaillardia, and many more. For bulbs, try bearded iris, gayfeather (liatris), and glads. I'm only aware of hostas that are shade or partial shade lovers. For sun-loving foliage plants consider herb plants such as artemesia and sage, which have interesting colors and textures. Good luck on your plan!
A perennial book which includes charts for flowering periods and colored photos is Sunset Perennials ISBN 0-376-03573-0.
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