Vegetation Management

Valley oak tree atop a hill of brown grass.
Event

Webinar: Mediterranean Oak Borer & Other Pest of California Oaks

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

Central Sierra: Controlling Weeds (EDC MG)

May 24 2025

Join the El Dorado County Master Gardeners to learn about weeds commonly found in the home landscape, their culture, and control strategies. Well also discuss highly aggressive non-native weeds which have been introduced into El Dorado County.
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Fire Information

San Luis Obispo County Links San Luis Obispo County Fire Department- Fire Prevention Education, Wildland Hazard and Building Codes, Fire Safety Council, and more local, state, county, and federal informational links- http://www.calfire.org/ City of San Luis Obispo Fire Department- http://www.
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What is an invasive species?
Article

National Invasive Species Action Week 2025

February 24th, 2025
From February 24 - 28, 2025, help increase public awareness of invasive species and join the fight against invasive species by participating in National Invasive Species Action Week (NISAW).
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Person dumping a white bucket of water outside.
Article

Drain After Rain to Prevent Mosquitoes

February 20th, 2025
By Lauren Fordyce
Recent rainfall throughout much of California has created puddles and stagnant water. With the temperature warming up in many parts of the state, this combination can create the perfect situation for mosquitoes to breed. We encourage you to drain after the rain to reduce mosquito-breeding sites.
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Figure 1. Metal art structure in transit to California. Photo credit: Sonoma County Dept of Agriculture/W&M
Article

Spotted Lanternfly: The Need to Remain Vigilant (Part 1)

November 19th, 2024
By Cindy Kron
On March 27th, 2024, a flatbed truck carrying a metal art structure originating in New York and headed to Petaluma, California was stopped at the California Department of Food and Agriculture (CDFA) Agricultural Inspection Station in Truckee, California due to live spotted lanternfly (SLF) egg masse...
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