The Master Gardener program is a volunteer organization associated with the University of California Cooperative Extension. Our mission is to extend research based knowledge on home horticulture, pest management, and sustainable landscape practices to the residents of California and to be guided by our core values and strategic initiatives.
For Information on becoming a Master Gardener volunteer click here.
_____________________________________________
COVID-19 - In keeping with precautions and recommendations, Master Gardener are not doing any in-person events at this time. We are offering on-line virtual programs and will continue to add those as we develop them. Please check back here for updates in our offerings.
______________________________________________
Check out our 2 Books, written by UC Master Gardeners of Napa County for our local Napa County climate.
Month-by-Month Guide to Gardening in Napa County
and
Trees to Know in Napa Valley.
They are a wonderful value at only $12 & $15 each, make great gifts and stocking stuffers, to find out more CLICK HERE
_____________________________________________
FOR HOME GARDENING RESOURCES AND HEALTHY GARDEN TIPS CLICK HERE
Note: To submit a photo to go with your diagnosis sheet please use our email at mastergardeners@countyofnapa.org
The master gardener volunteers are working remotely and they will get back to you after they research your questions. Once it is safe to do so, we will reopen our office to serve you again in person.
Master Gardener volunteers:
- are trained, non-paid teaching staff certified to extend practical horticultural information to Napa County residents.
- receive an intensive 88-hour training program over a several months to become certified. Instruction provides a practical course in plant science and basic horticulture.
- stay up-to-date on current UC research based gardening information through continuing education provided by UC Cooperative Extension.
- For more information on Napa County UC Cooperative Extension please click the logo below:
- PLEASE NOTE - there will not be a volunteer training class in 2021 for Napa County. Please check this website in summer of 2021 for details about our next training class that will start in January 2022.
- For information on becoming a UC Master Gardener in 2022 click here.
What we provide:
- Help Desk, free of charge, to answer home gardening questions.
- Integrated Grape Team of Napa County to assist hobby vineyardists with gardening questions.
- Information at public workshops, farmers markets.
- Home gardening information using gardening resources on this Web site.
- Need a speaker? Master Gardeners are available to speak to your group on a gardening topic.
- ______________________________________________
Fires, After-Fire & Disaster Resources
For fire resources including a state-wide fire map, air quality and evacuation info, lost and deceased animals, and more, visit: LNU Lightning Complex Fires Resources
Fire & Post-Fire Resource from County of Napa
Post-Fire Resources from Napa Resource Conservation District (RCD) https://naparcd.org/wildfire/
Also see:
Fire & Disaster Resources UCCE Napa County or UCCE Sonoma County
Home Garden Produce Safety handout (2 pg pdf) - Produce Safety after a Fire
Evacuation check-list - 1 page printable sheet from Marin Fire Safe
________________________________________________
Mobile users to find offerings and events menu. Click the 'Vent' at the top of your Mobile Browser:
![]() |
Master Gardener Calendar
Weekly Newspaper Article
-
Camellias.
By Penny Pawl, UC Master Gardener of Napa County Someone once asked me if it was possible to grow a camellia from seed. Yes, it is possible, but seldom will it have the same flowers as the...
-
Rose Care.
By Cindy Watter, UC Master Gardener of Napa County After the sedate revelry of our pandemic purgatory (and a happy new year to us all), it is time to get back to work in the garden. We have...
-
Berries, Now Is the Time.
By Susanne von Rosenberg, UC Master Gardener of Napa County One of the joys of summer is being able to harvest fresh, perfectly ripened fruit from your own garden. December...
-
Bonsai Ficus
by Penny Pawl You have probably seen them in your doctor's office or as shade trees as you walked down a street in some tropical town, or even as a small...
-
Still Time for Daffodils.
By Susanne von Rosenberg, UC Master Gardener of Napa County For spring cheer, few flowers are better than daffodils or, more correctly, Narcissus. When I first planted a bunch of Narcissus...
-
A Collection of Reflections
By Cindy Watter, UC Master Gardener of Napa County Not long ago I wanted to work in my yard but the noise from a project next door was unbearable. So I went inside and looked for some...
-
Onions, Garlic, Leeks.
By Susanne von Rosenberg, UC Master Gardener of Napa County An easy way to spice up your vegetable garden is to plant onions and garlic. They are not difficult to grow. You can plant onions...