Marin Master Gardeners
University of California
Marin Master Gardeners

Advice to Grow By... Ask Us!

UC Marin Master Gardener COVID-19

Help Desk

We are only taking inquiries for information via email. Email your questions to: There may be delays in responding to your inquiry.

Office Schedule

Our office is closed for face-to-face in person service.  Please reach us reached by email:

Events and Programs

All public UC Marin Master Gardener events and programs are CANCELLED.

For up-to-date information about COVID-19 please access the Marin County Public Health website:

Protect Your Plants From Sucking Pests

There’s a group of soft-bodied insects—aphids, mealybugs, soft scale and whiteflies being the most common, that feed by sucking juices from plants.  Read on to learn more...

What's In That Pesticide?

Reducing Pesticides in the Garden

Rule #1—Don’t Invite Pests Into Your Garden

Pests, like people, need air, water, food and shelter to survive.  Take these away and pests will find your home and garden less attractive.  Read on to learn more...

Choose Your Mulch Wisely

It's often said that you can’t get too much of a good thing. Most gardeners would tell you that is true of mulch, and you’d get an earful about the virtues of the stuff. It is one of the easiest and least expensive things you can do in the garden that provides a plethora of benefits.  Read on to learn more... 

Upcoming Events

Event Name

News from the Edible Demonstration Garden

The Edible Demonstration Garden at Indian Valley Organic Farm & Garden team moved forward with projects this past month because we are now moving from winter to spring/summer season.  Read on for an update from the garden...

How to Grow Great Tomatoes In Marin

Growing tomatoes successfully in Marin can be a challenge. However, if you follow the tips listed here we believe that you will achieve the best yields possible in your garden.

Helping Ground Nesting Bees

Andrenidae (Mining Bees) from UC Berlelly Urban Bee Lab
Seventy percent of native bee species in the United States are ground nesting.  Want to help our ground nesting bees?  Read on for more information...

Opportunity Fund

UC Marin Master Gardeners are grateful for a tax-deductible donation to support our program.

Got garden questions? Ask a Master Gardener...

VISIT: UCCE Master Gardener Help Desk
1682 Novato Boulevard, Suite 150-B
Novato, CA 94947
          CALL: (415) 473-4204

Seasonal Farmers Markets open in May.  Visit a Master Gardener Help Desk at your local Farmers Market.  Click here for the schedule.


The mission of the Marin Master Gardeners is to extend research based knowledge and information on home horticulture, pest management, and sustainable landscape practices to Marin residents.

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