Hesperaloe are a genera in Agavaceae (Agave family) of perennial yucca-like desert plants.They have many tall stocks of flowers and have curly fibers on their blades. Like most desert plants, they grow in direct sunlight, needing little water.
Other water hungry plants, such as the Tombstone Rose, were also removed.
In their place, John planted trees from climates similar to Arizona's - middle east pines, Australian eucalyptus, mesquites - and plants that like dry arid environments - purple fountain grass, yucca, agave, prickly pear, desert spoon, Hesperalo and Mexican primrose.
He created some relief with the flat landscape by constructing small hills, and used landscape fabric to help stabilize soils.