Ongoing research

Avocados in some parts of coastal California have been blooming. Some of them got hit by the cold weather in the first part of February. In the coldest areas there was a little bit of new leaf damage, but this has been minimal.

Advice for the Home Gardener from the Help Desk of the UC Master Gardener Program of Contra Costa County Subject: Grapefruit Tree vs Woodpecker Cllient's Request: How can we keep a woodpecker(s) from making holes in the tree bark?

Recently gardeners have become more aware of the importance of gardening sustainably, but while they might enthusiastically nurture worm bins under the kitchen sink, learn about the benefits of mulching, measure their greens and browns carefully when creating their compost piles and shy away from us...

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On January 22, 2020, the US Environmental Protection Agency (EPA) released the Interim Registration Review Decision on glyphosate.

The IR4 program conducts a significant amount of research to facilitate registration of pesticides (both conventional and biopesticides) on specialty crops. The program also supports similar work on a range of non-food crops through the Environmental Horticulture program.

Spray Application Pest Management Alliance Airblast Sprayer Calibration Training Tuesday, February 25, 2020, 7:30 AM-4 PM Micheli Family Farms, 6005 CA-99, Live Oak, CA 95953 Registration is now open! Click here to register! $20 registration fee includes: hands-on training, coffee, lunch, and refres...

You'll see an owl butterfly at the Bohart Museum of Entomology. You'll see a great-horned owl at the Raptor Center. "Owl that" at more at the ninth annual UC Davis Biodiversity Museum Day on Saturday, Feb. 15 when 13 museums and collections showcase their projects. The event, to take place from 9 a.

UC California Naturalist and our UC Agriculture & Natural Resources statewide program partner Project Learning Tree (PLT) have joined forces to offer a series of workshops with program partners in 2020.

By Penny Pawl, UC Master Gardener of Napa County Over the many years that I have been a Master Gardener, I have heard people talk about Nicotiana in the garden, but I didn't pay much attention.