Answer: For perennials, consider coreopsis, yarrow, butterfly weed (asclepias), lavender, catmint, gaillardia. For bulbs, try bearded iris, gayfeather (liatris), and glads. For sun-loving foliage plants consider herb plants such as artemesia and sage, which have interesting colors and textures.
Warm-season annuals that take heat and sun include sunflowers, tithonia, zinnia, coreposis, cosmos, gaillardia, black-eyed Susan, coneflower, lisianthus, petunia, and vinca.
A perennial book which includes charts for flowering periods and colored photos is Sunset Perennials ISBN 0-376-03573-0.
Sunset Annuals ISBN 0-376-03064-X contains charts for annuals. You can use the charts to determine when plants bloom to keep the color show going.
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