Yarrow --A very attractive, extremely tough ground cover which can tolerate both heat and dry conditions. Free-blooming--flowers summer through fall. Most varieties make very nice cut or dried flowers. Also useful as a fire retardant ground cover taking temperatures of 0° or below.
Alyogyne
Blue Hibiscus -Genus of 4 species from dry scrubs of Australia. Valued for their stunning, hibiscus-like flowers that emerge continuously. Heat and drought tolerant.
Anisodontea
Cape Mallow, African Mallow -20 species native to Africa. Free flowering shrubs. Moderately tender.