Santa Claus and the monarch butterfly share a commonality. Both are icons, easily recognizable. One may become extinct. The U ...

Due to the conservation status of the Valley Elderberry Longhorn Beetle (VELB) and federal restrictions on certain pruning practices and removal of blue elderberry plants within the known range of the ...

Next time you drive through your neighborhood, count the number of citrus trees you see. You will start noticing them everywhere, because citrus are the most popular backyard trees to grow in ...

Amaryllis is a popular Christmas gift and decoration. I have received many over the years, and they are long lasting and beautiful. However, they are not true amaryllis. The most familiar true ...

Invasive shothole borers (ISHB) are a group of cryptic species of ambrosia beetles within the genus Euwallacea. The term cryptic is used to describe species that are visually indistinguishable from ...

As the end of 2024 approaches, I'd like to reflect on the UC IPM Urban and Community program's accomplishments and share what's to come from us in 2025.

We were excited to have an outreach booth before this year's annual Sikh Festival – one of the largest Sikh gatherings outside of India drawing over 100,000 people to the area. Since the 1970's, when ...

As the end of 2024 approaches, I'd like to reflect on the UC IPM Urban and Community program's accomplishments and share what's to come from us in 2025. We sincerely thank all of you for engaging with ...

Spray apricots and walnuts with horticultural oil and fixed copper. Provide frost protection. Move or cover tender plants. Use floating row covers or fabric, and uncover plants during the day. Frost ...

Hairy vetch is going strong this winter in a small planting bed at the UC Master Gardener's “Garden of the Sun,” a demonstration garden in central Fresno. Hairy vetch, common vetch, sweet clover and ...

Suds for a bug? A bug for some suds? The annual “Beer for a Butterfly” contest, launched in 1972 by butterfly guru Art Shapiro, now a UC Davis distinguished professor emeritus, gets underway Jan. 1.

Helaine Berris joined UC Agriculture and Natural Resources on Nov. 4 as the UC Cooperative Extension water and soil advisor for Sonoma, Marin, Napa and Mendocino counties. Berris will conduct research ...