Hero Image

UC Master Gardeners are volunteers trained and certified by the University of California to provide research-based information about home horticulture and pest management. They serve their communities by answering questions from the public, teaching workshops, leading plant clinics, and speaking on a variety of subjects.

Giving Tuesday

Your gifts allow the UC Master Gardener Program to offer its services at no cost to local communities, connecting concerned citizens and home gardeners to research and information directly from the University of California. The sooner you can donate, the better, as there are matching funds available on a first come, first served basis. Give now

Spring Edibles Plant Library

Here you'll find lists of spring-planted vegetable varieties. Browse the links below to look through vegetables and herbs by type and learn more about each unique variety. Learn more.

  • unnamed
    Creating Hummingbird Gardens in the Coastal Bay Area

    The Hummingbird: A Universal Symbol of Joy and happiness Hummingbirds are indigenous to North, Central and South America but they have become important to people in many other parts of the world. While each culture has its own unique interpretation,...

  • unnamed (1)
    Good Bug or Bad Bug? Getting to Know Which Ones Will Work for

    Attention all gardeners: how much do you know about the insects that inhabit your landscape? Can you tell which ones are beneficial and which are potentially damaging?  Insects are considered the largest biomass of all terrestrial animals and with...

  • hmb magazine photo
    Success with Citrus: Guidelines for Coastal Gardeners

    Oranges, lemons and limes—oh, my! They are the basis of our favorite refreshing drinks and what's a platter of seafood without plump wedges of lemon or lime? Citrus fruits are practically synonymous with sunny climes so it might seem like growing...

Ask a Master Gardener

Do you need help with your garden? Have a pest problem? Curious about what will grow well in your region? Send us an email and include your name, location and question with photos. 

Event Name Date
Prudent Winter Pruning 12/8/2021
Succulent Wreath Holiday Workshop 12/11/2021
Request a Speaker

Are you looking for a speaker for an upcoming event? UC Master Gardeners can present research-based information on a variety of topics to your organization.

Become a Master Gardener

Any San Mateo or San Francisco County resident with an interest and experience in horticulture and a desire to volunteer for community service may apply.