Ongoing research

Western Sierra Forestry & Natural Resources: Page

Fire Education

Living with Fire is a challenge in the Sierra Nevada. We live in a fire-adapted ecosystem where wildfires used to burn naturally every 8 to 35 years depending on elevation. Since we started suppressing wildfire over a hundred years ago, Sierra Nevada forests and woodlands have gotten overly dense with…
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Western Sierra Forestry & Natural Resources: Page

Forestry Research and Extension

UC Cooperative Extension works with a wide range of collaborators to advance the field of Forestry and Natural Resources.  Core to these efforts are preparing future professionals for the management challenges they will face in the years to come.Forest GIS TrainingsUCCE periodically hosts Forestry…
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UC Ag Experts Talk Webinar Series: Page

Past webinars - Strawberry pests

As webinars are completed, we post recordings on YouTube for future study and sharing with others. Continuing education units are not available for recorded webinars. Only participants of live webinars receive credits.Management of Lygus Bugs in Strawberry by Mark Bolda (June 5, 2024)Mark…
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UC Ag Experts Talk Webinar Series: Page

Past webinars - Weed management

As webinars are completed, we post recordings on YouTube for future study and sharing with others. Continuing education units are not available for recorded webinars. Only participants of live webinars receive credits.Considerations for Cover Crops and Weed Management by Sarah E. Light (March…
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Flameskimmer dragonfly above bed of California golden poppies. (Photo by Kathy Keatley Garvey)
Bug Squad: Article

Flameskimmers Bring Great Joy

April 16, 2025
By Kathy Keatley Garvey
Bug Squad BlogBy Kathy Keatley GarveyFlameskimmers bring great joy.Today we saw our first dragonfly of the season in our Vacaville garden.  The flameskimmer, a female Libellula saturata, perched on a stick and allowed me to take a few images. It was just a couple of weeks ago that I reviewed a book…
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Meadow flowers
Fresno Gardening Green: Article

Madera high school students enjoy a new native plant habitat on campus

April 16, 2025
By Jeannette Warnert
 Before Katie Howden graduated from Madera South High School in 2008, she noticed an unsightly piece of vacant land between two portable classrooms on campus. The one-third acre gravel pit with a smattering of utility infrastructure was choked with puncturevine and tumbleweed or, during the rainy season…
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The buds shown on the walnut branches are male flowers called catkins
Food Blog: Article

UC scientists ask walnut trees: When do you need to be irrigated?

April 16, 2025
By Trina Kleist
UC scientists are working with growers in Tehama, Butte, Lake, Amador, Contra Costa, Stanislaus and Yolo counties to test a new way of measuring the irrigation needs of walnut trees. Shackel and team think this new method will allow growers to use less water by not irrigating early in the season, and trees…
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Succulent sale May 2025 Healdsburg
UC Master Gardener Program of Sonoma County: Event

Succulent Saturday!

May 3, 2025

 The Sonoma County Master Gardeners will host a pop-up succulent sale filled with a wide variety of drought tolerant specimens. Located at 402 Tucker St., Healdsburg, the sale will run from 9:00am to 1:00pm.Shoppers will be able to scoop up loads of great drought tolerant succulents propagated by the…
UC Master Gardener Program of Sonoma County
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Mulch
Fresno Gardening Green: Article

This week in the garden: April 18 - 24

April 16, 2025
By Jeannette Warnert
When plants grow where we don’t want them to grow, we consider them weeds.TasksWhen using herbicides for weed control, spray on a calm day and protect plants by shielding them with a large piece of cardboard.Learn to use the “season adjust” feature on your irrigation controller to make adjustments easier…
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