Scott Calhoun is an award-winning author and garden designer based in Tucson, Arizona, where he lives with his wife and daughter. In his design practice, he incorporates cactus into every residential space and sees them as the plant family of the future—especially in arid parts of the world. Calhoun is the author of six gardening books. His work has earned an American Horticultural Society Book Award and a Garden Writers Association Silver Book Award. He writes a monthly garden column for Sunset magazine and has written for most national gardening magazines.