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Help Desk

UC Master Gardeners of Napa County provide free home gardening advice.

Please submit your questions:


  • Give us a call by Phone 707-253-4143, leave a message with your question & contact information

Our office location: temporarily closed
UC Cooperative Extension
710 Soscol Avenue, Suite 4, Napa
(707) 253-4143
Map & Directions


Plant Problem Diagnosis Sheet

Please fill out the diagnosis form below and submit it to help us understand your garden issue. If you don't know an answer, you may leave it blank.  A UC Master Gardener of Napa County volunteer will contact you.

UC Master Gardeners of Napa County are answering calls remotely and checking voice mail  and email frequently during the week.

If you want to send an photo of your garden issue you may use the email below, please let us know if you filled out a diagnosis form as well.

Email for photos of your garden issue: mastergardeners@countyofnapa.org

Telephone messages: (707) 253-4143 


Open Survey