Cleome (Cleome hasslerana), commonly known as Spider Flower, is an intriguing presence in the Xeriscape Garden. Native to South America, Its open, airy flower heads can be as large as 8 inches wide on stems as tall as 6 feet. New hybrids feature violet, cherry, pink, and white flowers. Extremely attractive to hummingbirds, the plant is also superb for cut flowers.