You Need?
If you don't have room to grow, or if you want to enjoy gardening with other people, community and teaching gardens are your best bet. Community gardens typically are open only to residents of that community, whereas teaching gardens are open to anybody who takes a series of gardening classes.
To find local area community and teaching gardens, or if you want to learn how to start or support new gardens, please visit the websites listed below.
Santa Clara Adult Education (teaching garden) 
Sunnyvale (teaching garden)
American Community Garden Association
Information and tools for starting and advocating for community gardens.
Collective Roots
Local organization focused on food systems change and environmental work in the community of East Palo Alto.
University of California: Community Garden Start-Up Guide
Step-by-step guide to creating your own Community Garden.
Urban Harvest: Start a Community Garden
Guide that covers how to start a community garden.