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UC Master Gardeners of San Diego County

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Welcome to UC Master Gardeners of San Diego County

As part of the University of California's Agriculture and Natural Resources division, we serve our community by sharing research-based knowledge and sustainable gardening practices. Our dedicated volunteers work to empower San Diego County residents with the skills and expertise needed to grow food, tend gardens, and protect California's precious natural resources. We understand that every garden and gardener is unique. That's why we customize our outreach and education to embrace San Diego County's distinctive landscape and diverse communities. Whether you're a first-time gardener or a seasoned green thumb, we're here to help your garden thrive. Join us in cultivating a more sustainable, beautiful, and bountiful San Diego County. 

Sign up for our newsletter to get updates on events, workshops, and local garden tips! Sign Up Here

Have Garden Questions?

Have a gardening question? Our trained UC Master Gardener volunteers are ready to help! Reach out to our Help Desk for free, research-based answer to your gardening questions. Whether you're battling pests, selecting plants, or starting your first garden, we're just a call or click away. 
Call our Master Gardener hot-line at (858) 822-6910, it's FREE! Email us at: Help@mastergardenersd.org

Events

Ready to improve your gardening skills? Join us for hands-on workshops throughout the year, covering topics from mastering tomato growing to creating water-wise landscapes. Whether you're looking to learn one new skill or dream of becoming a certified UC Master Gardener, we have an event for you. 

Browse our upcoming workshops and training opportunities. Upcoming Events

 

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"Advice to Grow by... ask us"
More information on various gardening topics can be found at the Master Gardener Association of San Diego County website.

 

 

 

Contribute for a Better Future

Upcoming Events

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Event Date
December 3, 2025

Ask-A-Master at the County Operations Center

Bring your gardening questions, and UC certified Master Gardeners will bring their expertise.  Find us at the County Operations Center Demonstration Garden (5500 Overland Drive) near the…
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Event Date
January 10, 2026

Tool Care at Balboa Park Rose Garden

Tool Care at Balboa Park Rose GardenSaturday, January 10, 2026⋅9:00am – 12:00pm Inez Grant Parker Memorial Rose Garden, 2125 Park Blvd The Tool Care Team collaborates with the San Diego…