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Find UC Master Gardener volunteers of Contra Costa County

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Get your gardening questions answered at Farmers Markets and Demonstration Gardens

Visit our tables during the spring to fall growing season. Listing of 2026 farmers market events coming soon.

• Brentwood
• Concord
• Danville
• Kensington
• Martinez
• Moraga
• Our Garden Demonstration Garden in Walnut Creek
• Pinole
• San Ramon
• Walnut Creek Shadelands
• Walnut Creek Downtown

Community Events

Find us at community events throughout the county. Listing of 2026 community events coming soon.

Need an "Ask a Master Gardener" Table?

Are you interested in an “Ask a Master Gardener” table at your Farmers Market or community event? Complete our Table Request Form and we will contact you!.