Forests

Event Primary Image
Valley oak tree atop a hill of brown grass.
Event

Webinar: Mediterranean Oak Borer & Other Pests of California Oaks

Event Date
Apr 10 2025

The Mediterranean Oak Borer (MOB) is an invasive ambrosia beetle that infests several species of white oaks in California: valley oak, blue oak, and Oregon oak. The beetle is spreading rapidly in Napa, Lake, Sonoma, and Sacramento Counties and has been detected in neighboring El Dorado, Yolo, and Mendocino…
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Event

Be Wildfire Safe & Ready

Event Date
Apr 26 2025

Be Wildfire Safe & ReadyDescription: UC Master Gardeners will staff an education table at the Be Wildfire Safe & Ready event sponsored by the San Mateo County Department of Emergency Management. Stop by the table to learn how to protect your home by creating defensible space and maintaining your…
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Post-fire field tour
Event

Post-Fire Forest Resilience Workshop - Plumas County

Event Date
Apr 30 2025 - May 28 2025

Register now for the upcoming Post-Fire Forest Resilience workshop series in Plumas County! UC extension advisors and local professionals will provide information and resources on post-fire forest management for recently affected private landowners. Online webinars are scheduled each Wednesday evening from…
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Small pink and white waxy insects feeding on young citrus fruit.
Event

UC Ag Experts Talk: Mealybug Management in Citrus Orchards in California

Event Date
May 21 2025

In this webinar, Dr. Sandipa Gautam, Cooperative Extension Area Citrus IPM Advisor with the University of California Agriculture and Natural Resources at the Lindcove Research and Extension Center, will discuss citrus mealybug and how it has become a pest of concern for citrus growers in California in recent…
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Buckwheat and globemallow
Event

Growing Natives Garden Tour - San Carlos Native Plant Habitat Garden

Event Date
Apr 13 2025

Growing Natives Garden Tour - San Carlos Native Plant Habitat GardenDescription: Visit the UC Master Gardener’s Native Plant Habitat Garden at the San Carlos City Center. Since 2019, the 8,000 square foot garden has been home to over 100 species of low-water native plants. It was designed by UC…
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Event

Central Sierra: Gardening for Pollinators (EDC MG)

Event Date
May 17 2025

Did you know that planting more diverse and flowering plants in your garden can help support your vegetable garden or orchard? Learn how to choose plants to make your garden a haven for the pollinators. Well cover the types of plants that attract butterflies, bees, bats and hummingbirds.
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Primary Image
Cross section of a tree trunk that has trellis-like tunnels throughout. The tunnels are dark stained and go deep into the wood.
Article

Mediterranean Oak Borer: Questions & Answers

May 28, 2025
The Mediterranean Oak Borer (MOB) is an invasive ambrosia beetle that infests several species of white oaks in California: valley oak, blue oak, and Oregon oak. The beetle is spreading rapidly in Northern California counties and there is considerable potential for the beetle's range to expand as they…
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Article

2025 5th Report-- May 22nd

May 22, 2025
By Patricia A Lazicki, Neil McRoberts
General outlook & thrips populationAs planting wraps up, temperatures remain similar to long-term averages. Thrips population predictions are similar to last week’s update. Generation 2 adults peaked a couple weeks ago; generation three adults are predicted to peak 6/8.  The 3rd and 4th…
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