UC Master Gardeners of Santa Clara County

Master Gardener sign amid spring wildflowers
May 26, 2026: Invasive Glassy-Winged Sharpshooter Detected on Grapevines Sold at Bay Area Costco Stores (Press Release)
Three red tomatoes

Advice to Grow By ... Ask Us!

UC Master Gardeners are here to help. Here’s how to find answers to your gardening questions.

MG Teaching at an Event

Upcoming Events

Want 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.

Deep cracks in dry soil from drought by Jack Kelly Clark UC cropped

Waterwise Tips

Here 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.

Asian Citrus Psyllid

Invasive Pests and Quarantines

There are multiple invasive pests of concern, including two quarantines in effect in Santa Clara County: one on citrus fruits and trees for the Asian Citrus Psyllid, and the other on fruit and vegetables due to the Mediterranean Fruit Fly. See our Invasive Pests and Quarantines page to learn more and view the quarantine area maps. Help contain the spread of these pests!

Orange, red, and purple tomatoes grow on a green wire frame set in a rectangular container, on a patio with a light grey outdoor sofa in the background.

Tips & Events Newsletter

See 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.

A colorful selection of summer vegetables including red tomatoes, green peppers and cucumbers, and yellow squash. There's also some unchecked corn, a canteloupe melon, and a cabbage.

Vegetable Gardening

Want 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.

Master Gardener logo, a stylized orange California poppy on a blue background

Become a Master Gardener

Ever 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.

MG Handbook cover

Master Gardener Handbook

Save 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.

Contribute for a Better Future

Make a Gift

Upcoming Events

iris, wikimedia.jpg
July 11, 2026

Discover the Magic of Irises - San Jose

Discover the Magic of IrisesTransform your garden into a canvas of color! Join us for a captivating workshop on growing irises, the stunning, easy-to-care-for flowers that absolutely thrive in the…
View Event
seed saving
July 11, 2026

Unlock the Secrets of Seed Saving!

Unlock the Secrets of Seed Saving! Learn how to harvest, process, and store seeds from your own backyard. Discover beginner-friendly techniques to preserve your favorite vegetable varieties,…
View Event
View All Events

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.