California Botanic Garden, formerly Rancho Santa Ana Botanic Garden, was founded in 1927 by Susanna Bixby Bryant and is the l ... argest botanic garden dedicated to California native plants. The Garden is located on 86 acres in Claremont, approximately 35 miles east of Los Angeles. CalBG, a private, nonprofit organization, offers educational programs and special events throughout the year and is home of the Botany Department for Claremont Graduate University. The Garden offers a superb selection of California native plants for sale at Grow Native Nursery. Visitor information: California Botanic Garden is located at 1500 N. College Avenue, Claremont, California. Hours: The Garden is open Tuesdays - Sundays from 8 AM until 5 PM. The Garden is closed on Mondays and the following holidays - January 1, July 4, Thanksgiving, and December 25. Admission: Free for CalBG members | $10 adults | $6 seniors and students | $4 children 3-12 | Free for children under 3. Parking is free. For more information please call (909) 625-8767, email info@calbg.org, or visit www.calbg.org. read more