Contact Us

Do you have home gardening questions?

  • Read our tips on plant problem diagnosis first. These tips may help you solve your problem, but even if they don't, they'll give you an idea of the kinds of questions we're likely to ask.
  • In Santa Clara County, contact the Master Gardener Hotline for gardening advice and recommendations between 9:30 a.m. to 12:30 p.m., Monday to Friday at 408-282-3105 or send us your question on-line.
  • You can come in to our San Jose Master Gardeners Hotline office any weekday between 9:30 a.m. and 12:30 p.m. for in-person gardening advice or to have a plant problem identified.
  • For gardeners in northern Santa Clara County, contact the Gamble Garden Master Gardener Hotline on Friday between 1:00 p.m. and 4:00 p.m. at 650-329-1356.
  • Have you called the Hotline? Please tell us about your experience using our hotline feedback page.

Other Contact Information

  • Interested in having a Master Gardener speak at an event? Request a speaker online.
  • Having an event and want to have us staff a table for gardening advice? Make a request online.
  • Want advice for a school garden? We have an extensive resource guide all about school gardens!
  • Learn about becoming a Master Gardener
  • The Master Gardener Program Advisor is:
    Dr Maria de la Fuente Ph. D.
    County Director & Farm Advisor
  • Our address is:
    University of California Cooperative Extension
    1553 Berger Drive, Bldg. 1
    San Jose, CA 95112
    Telephone: 408-282-3110
    FAX 408-298-5160
    Master Gardeners Hotline 408-282-3105

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