Plant Clinic Online
Have a sick plant, an ailing tree, mysterious spots on leaves? Chat with UC Master Gardeners via Zoom to diagnose your plant problems. You can also listen and learn while other people ask their…
UC Master Gardeners of Santa Clara County
May 26, 2026: Invasive Glassy-Winged Sharpshooter Detected on Grapevines Sold at Bay Area Costco Stores (Press Release)
 Advice to Grow By ... Ask Us!UC Master Gardeners are here to help. Here’s how to find answers to your gardening questions.
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 Upcoming EventsWant to learn more about gardening, chat with UC Master Gardeners, or catch our next plant sale? See our Events Calendar for upcoming talks, courses, and more. |
 Waterwise TipsHere are some useful tips and links for homeowners and gardeners who want to conserve water and manage their garden and landscape in a responsible manner. Learn about waterwise plants and gardening techniques, lawn replacement and rebate programs, graywater usage, and more. |
 Invasive Pests and QuarantinesThere are multiple invasive pests of concern, including one quarantine in effect in Santa Clara County: on citrus fruits and trees for the Asian Citrus Psyllid. See our Invasive Pests and Quarantines page to learn more and view the quarantine area maps. Help contain the spread of these pests! |
 Tips & Events NewsletterSee our current Tips & Events newsletter for seasonal information plus a handy list of upcoming events. Subscribe to have the newsletter emailed to you at the beginning of every month. Browse past tips and newsletters. |
 Vegetable GardeningWant to grow your own vegetables? See our vegetable gardening pages for how to get started and advice on specific vegetables. Our vegetable planting chart shows you the best times to plant vegetables in Santa Clara County. |
 Become a Master GardenerEver think about becoming a Master Gardener? If you love gardening, are interested in science-based horticulture, and would enjoy sharing your knowledge with the public, this may be for you! UC Master Gardeners are trained to give talks and classes, staff a help desk, work in demonstration gardens, answer questions at events, and much more. The application process for the January 2027 class begins in summer 2026. Learn more about becoming a Master Gardener. |
 Master Gardener HandbookSave 10% on any UC ANR books ordered online, including the excellent California Master Gardener Handbook, by using our promotion code PRCLA43. A portion of online sales that use our promotion code benefits the UC Master Gardener of Santa Clara County program. |
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Upcoming Events
Growing Cool Season Vegetables starting in Late Summer - Los Altos
Starting from seed, August is the time to start seedlings for Fall vegetables. We are so fortunate we can grow cool season vegetables in Santa Clara County. With our cool (but not cold) rainy season…
Update on Asian Citrus Psyllid in California - Online
Join citrus IPM adviser Dr. Sandipa Gautam, for an update on Asian citrus psyllid (ACP). Learn about practical ways to limit psyllid infestations in home gardens and landscapes. The webinar will also…
MCP California Native and Succulent Sale - San Jose
Add to the beauty of your yard with California native plants or succulents. Master Gardeners will also answer questions about these plants for you.Native Plants: Learn more about beautiful California…
Office Locations
1553 Berger Drive, Bldg 1
San Jose, CA 95112
United States
Mission Statement
To extend research-based knowledge and information on home horticulture, pest management, and sustainable landscape practices to the residents of California.