Beaucarnea recurvata (Ponytail palm) Sunset: 11,13, 16-27; USDA: 9-10. Prefers light shade in Phoenix. Heat tolerant. Little to moderate water. Hardy to 23°F. Grows to 15' tree. Origin: Central to southeastern Mexico.

Fouquieria splendens (Ocotillo). Full sun. Hardy to 0°F. Drought deciduous shrub, slow growing to 20' tall; 15' in spread. Spiny stems, small green leaves, orange flowers;. Little water. Origin: Southwest and western USA, Mexico.