Cercidium ‘Desert Museum’. Also known as the Palo Verde, this deciduous desert tree is very hardy and features a bright yellow floral display in spring, ample shade, and colorful bark. In 3-5 years it can reach 20 ft. tall and wide. The ‘Desert Museum’is a clean, thornless tree, with few seedpods. Re-bloom possible in summer. To see more suggestions for drought resistant landscape plants, visit stevensmithlandscape.com