Weed Management

Event

Central Sierra: Back to Basics (EDC MG)

Event Date
Apr 19 2025

Are you brand new to gardening, but have a burning desire to learn proper practices? Have you had some gardening experience, but not much success achieving healthy plants? Plan to attend MG Sheri Burke's free public education class on "Back to Basics.
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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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Bermuda buttercup infesting a bed of landscaped plants.
Article

Spring is in the Air, and Oxalis is Everywhere

April 14th, 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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Banner weeds
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Weeds & Invasive Plants

Lambert Yuri, Unsplash > Types of weeds > Life cycle of weeds > How to identify weeds > Managing weeds > What to do when you already have weeds > What you should know about weedkillers > How to prevent weeds Weeds are generally defined as any plant growing in a place where you dont want it, or a pla...
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Ask Our Helpline

Something in your garden or home bugging you? Do your roses have strange spots? Is something eating your tomatoes? The Merced Master Gardeners are here to help! Contact our Helpline to get answers to your garden challenges and pest problems. Send an email to anrmgmerced@ucanr.edu.
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Person wearing gardening gloves spreading mulch in a garden bed.
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Mulch

Mulching is a simple yet powerful tool for gardeners and landscapers. By applying mulch properly, you can enhance the health and appearance of your plants, reduce water use, and even improve the quality of your soil over time.
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