Help Desk
Monday, Wednesday, Friday  9 am - 12 pm
Master Gardeners available to answer your home gardening questions.  We encourage you to bring your questions or plant samples!
UC Cooperative Extension-Napa County
1710 Soscol Avenue, Ste 4
By phone:
877-279-3065 (Toll free for AmCan & Up Valley)
Please Complete Our Help Desk:  


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UC Integrated Grape Team
Submit your  Vineyard Questions  for symposium diagnosis or the latest viticulture information.
You can also subscribe to the newsletter,  The Hobby Vineyardist  to see upcoming educational events.


Gardening Resources

Find a Wealth of Garden Books and other Resources
at this link!
Click Here!


UC Master Gardener Publications
Trees to Know in Napa Valley
Click here for more info: Tree Book
UC Publications Catalog
Click here for the UC ANR Catalog: UC Publications
Find a Speaker
UC Master Gardeners of Napa County are available to deliver research-based garden information to your group, such as garden clubs, business or civic organizations and many others.  Click here for more info:  Need a Speaker?


Need a Speaker

Find Master Gardeners Around Town
March - May
Visit the Master Gardeners at local garden retailers to answer your home gardening questions.
May - October 
American Canyon, Calistoga and Napa
Stop by the Master Gardener information booth.
Seasonal Bee Gardening
Click Here to Find More Info About Providing Food, Cover Growing Plants and More for Bees! 
Waterwise Gardening
Click Here for Info from Sonoma County MGs Regarding:



Donate Now
Dean Donaldson Endowment Fund
Environmental Horticulture Education

Dean Donalson
Lake County, After Fire
Fire Prevention Websites: 
Fire Safe Demo Garden
The FireSafe Demonstration Garden: