Vegetation Management

Yellow flowering shrub in a field.
Event

Webinar: Managing Invasive Plants

Aug 21 2025

In California, invasive plants cause problems such as increasing wildfire risk, damaging ecosystems, and affecting recreation activities. Join us to learn about the impacts of invasive plants and ways you can help prevent the spread of invasive plants.About the Urban and Community IPM Webinar …
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Valley oak tree atop a hill of brown grass.
Event

Webinar: Mediterranean Oak Borer & Other Pests 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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Bermuda buttercup infesting a bed of landscaped plants.
Article

Spring is in the Air, and Oxalis is Everywhere

April 17th, 2025
By Lindsey Hack
Bermuda buttercup (Oxalis pes-caprae), also called buttercup oxalis or sourgrass, might be a familiar sight in winter and spring, particularly to those who live in coastal regions or the Sacramento Valley. Some people enjoy seeing this plant’s cheerful yellow flowers pop up in their spring gardens, but for…
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Four men in weedy area. One is holding a measuring container while another sprays liquid into it from a wand attached to a backpack sprayer. A third person holds a clipboard and the furth holds a stopwatch.
Article

New Online Course: Calibrating Herbicide Applications for Non-Agricultural Areas

April 14th, 2025
By Cheryl A Reynolds
Calibration might sound intimidating, but it’s critical for safe and effective herbicide application. Proper calibration ensures that the correct amount of pesticide is applied to an area while achieving the desired level of pest control. To support land managers and pesticide applicators, the UC Statewide…
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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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