- Plant Problem Diagnosis
- Water Wise Plants
- Tips & Techniques
- Fruits & Nuts
- Trees & Shrubs
- Insects, Disease, Weeds, Pests
- How-To Videos
Submit questions ON-LINE or call:
(408) 282-3105 – 9:30 a.m. to 12:30 p.m. Mon-Fri (year-round)
(650) 329-1356 ext. 205 – 1:00 to 4:00 p.m. Fridays (closed Dec & Jan)
Or use our plant problem diagnosis and
Visit in person (Mon-Fri 9:30 a.m. to 12:30 p.m.) San Jose HOTLINE at 1553 Berger Drive, San Jose, Bldg. 1 . Please call (408) 282-3105 first.
Visit in person (Friday 1:00 p.m. to 4 p.m.) Elizabeth Gamble Garden HOTLINE at 1431 Waverly Street, Palo Alto . Please call (650) 329-1356 ext. 205 first.
Do you have a plant that doesn't look healthy or have you found a bug that's chewing on your plants? Then visit the UC Pest Notes site for a wealth of information on the University of California's official guidelines for plant disease and pest monitoring techniques, pesticides, and nonpesticide alternatives for managing pests.
And if you just want to stay up-to-date, sign-up for our tips & events email.