UC Master Gardener Program of Contra Costa County

Richmond Low Water Demo Garden

Welcome!

From our tremendously successful Great Tomato Plant Sale to a fully enrolled Growing Gardeners Vegetable Course for Beginners—excitement is growing across our Master Gardener community! There are many wonderful opportunities ahead to learn, explore, and connect with fellow gardeners. Join us for our upcoming events or click the shortcut links at the top of the page. 

Upcoming Talks and Workshop:

Whether you’re a brand-new gardener or a seasoned plant enthusiast, there is always something inspiring happening.


Past Webinar

Orchids 101

Co-hosted by Contra Costa County Library

Tuesday, June 16th, 6:00 p.m. - 7:30 p.m. 

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Stay tuned for the announcement of the July webinar


Visit often to stay informed! 

The best way to keep up with our latest news, events, and seasonal tips is to Sign Up for our newsletter, News to Grow By.
In the meantime, enjoy inspiring winter gardening articles in our latest issue, available now.


Need an "Ask a Master Gardener" Table?

Ask a Master Gardener Events only

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! 


Looking for a Speaker?

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Does your organization need a speaker for an upcoming event? 
Our speakers are available.

Use our Speaker Request Form.


Need Advice to Grow By? Ask Us!

UC Master Gardener advice and problem diagnosis services are available to help you with your gardening questions year-round, by phone or email. Our Help Desk volunteers can help you identify a mysterious pest, locate the best plants for your specific situation, and offer advice for sustainable gardening practices.

Photographs help!
Email us at ccmg@ucanr.edu. 
Phone: (925) 608-6683
Check out our Help Desk web page.

In your request, include your name, phone number, and city (the best plant advice depends on local conditions!).
Describe the problem in detail. Tell us what's going on. Please include the name and age of the plant if you know it, when the problem began, and where on the plant you found it, plus cultivation history such as watering, fertilizing, pruning, pesticides, construction, etc. 
Send photographs! Please show us the whole plant, the plant in its location, close-ups of the affected part, including any visible signs of pests, and both sides of damaged leaves. 


Have You Seen Our Blog HOrT COCO Lately?

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2025 Blog Banner

Our Help Desk team presents HOrT COCO every other Monday. You can get timely gardening tips, find answers to frequently asked questions, and read about the truly unique requests for help we respond to. Check it out! And don't forget to subscribe! Just click the blue subscribe button at the top of the right column in the blog.

Join our online webinars and see recordings on our YouTube channel. When you Sign up for our newsletter, you will receive email notices of upcoming webinars and events. Or join us on Facebook


Contact

UC Master Gardener Program of Contra Costa County
(925) 608-6683, ccmg@ucanr.edu,  http://ccmg.ucanr.edu/
We're on YouTube, Facebook, and Instagram too!

Facebook@CoCoMGUC
Instagram@CoCoMGUC
YouTube—@CoCoMGUC

Contribute for a Better Future

Upcoming Events

Event Date
June 17, 2026

Our Garden Talk - Weeding Out Weeds - OG2026

Weeding Out Weeds"Weeding out Weeds."  Come learn about the many strategies that will help you get control of the weeds on your property. What common weeds should be eliminated, and what plants…

Office Locations

2380 Bisso Lane
Suite B
Concord, CA 94520
United States

CoCoMGmedia@UCANR.edu

Mission Statement

To extend research based knowledge and information on home horticulture, pest management, and sustainable landscape practices to the residents of California and be guided by our core values and strategic initiatives.