Rancho Santa Ana Botanic Garden Hummingbird & Silvia Spathacea 'Powerline Pink' The Rancho Santa Ana Botanic Garden is a botanical garden in Claremont, California, in the United States, just south of the San Gabriel foothills. The garden, at 86 acres (35 ha), is a non-profit organization dedicated to California native plants. The facility was open to the public with free admis..
