Fullerton Arboretum

Arboretum and Botanical Garden at Cal State Fullerton is a 26-acre (11 ha) botanical garden with a collection of plants from around the world, located on the northeast corner of the California State University, Fullerton campus in Fullerton, California, in the United States. It is the largest botanical garden in Orange County, California with a collection of over 4,000 plants. The Arboretum saves species that are extinct or near extinction and serves as a learning place for agricultural history.
The Arboretum officially was created in 1976, and officially opened in 1979.