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)

Fall Garden Fair logo with orange and white pumpkins behind a Fall Garden Fair banner

Fall Garden Fair, October 3, 2026

Martial Cottle Park, San Jose
9:00 am to 2:00 pm

Join us on Saturday, October 3, for our Fall Garden Fair, a fall celebration, plant sale, and educational fair. We will have hundreds of seedlings for sale, plus talks by Master Gardeners, home garden advice, seed exchange, and much more! See our Fall Garden Fair page for details. The event is held rain or shine!

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 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!

Dense broad bean plants with white, dark-marked flowers and thick green leaves.

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 assortment of summer vegetables including red tomatoes, green peppers, yellow squash, corn, cabbage, and a cantaloupe melon arranged on a wooden surface.

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

Upcoming Events

waterwise landscape design with pathway and plants
Event Date
September 8, 2026

Waterwise Landscape Design - Sunnyvale

Ready to transform your yard into a stunning, water-saving oasis? Imagine enjoying lush, beautiful landscaping that thrives with minimal water—perfect for California’s climate and your lifestyle…
Berger Native Garden, by Rebecca Schoenenberger
Event Date
September 8, 2026

Landscaping Design for Beginners - Mountain View

This landscape design class for beginners will introduce:Basic landscape design principlesUse of plant height and width in garden spaceCreation of focal points in the gardenThere will be two hands-on…
plant clinic, Karen Schaffer
Event Date
September 8, 2026

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…

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.