Open 7 days a week from 8:00 am to 4:30 pm except for Thanksgiving, Christmas Day and New Years Day.
A $3 donation is suggested per person at the main entrance.
The Arboretum office is open Monday through Friday from 8:30 am to 4:15 pm. All offices are closed on weekends and holidays.
Extended hours begin in the summer.
The Fullerton Arboretum
1900 Associated Road
Fullerton, CA 92831
(657) 278-7066 (fax)