Integrated Pest Management

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A person holding an inhaler in their hand and clenching their chest.
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Cockroaches, Rodents, and Asthma

May 5, 2025
Some indoor pests can just be a nuisance; others can also be a health risk. Did you know that cockroaches and rodents are known to trigger asthma symptoms and lead to the development of allergic asthma for some people? This month, we recognize Asthma Awareness Month and share how you can reduce indoor…
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What’s Wrong with My Plant?

April 30, 2025
By Belinda Messenger-Sikes
When you spot a plant in your garden that doesn’t look healthy, how do you figure out what’s wrong with it? Plant problems can be caused by insects, mites, vertebrates, environmental conditions, and diseases, but it can sometimes be hard to tell which is causing the problem. UC IPM's Plant Problem…
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Tools for Removing Dandelions and Other Weeds

April 28, 2025
By Karey Windbiel-Rojas
Dandelions can be an especially troublesome weed in lawns and landscapes. Once they're established, dandelions readily regrow from their deep taproot when only the tops are removed or mowed. Dandelions can regrow if even 1 inch of the taproot remains. The best way to get rid of dandelions is to control them…
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A smiling UC Master Gardener volunteer in an orange hat and green apron stands with arms raised in a garden setting, surrounded by people and plants.
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Top 5 Ways Gardeners Can Help Stop Invasive Species

April 25, 2025
By Lauren L Snowden
Did you know that your backyard, balcony, or community plot is more than just a space for flowers and veggies? It's also a frontline defense against invasive species! As gardeners, we’re uniquely positioned to protect local ecosystems, and the good news is—it doesn’t take a lot to make a big difference.Here…
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Adult convergent lady beetles congregating on a log.
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Releasing Ladybugs in the Garden

April 23, 2025
Lady beetles (known more commonly as ladybugs) are often sold in nurseries and garden centers to control aphids. But will releasing them actually solve your pest problem, and if so, how can you release them correctly? There are about 200 species of lady beetles in California, varying in color, size, and…
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Hantavirus: What to Know

April 21, 2025
By Niamh M Quinn, Roger A Baldwin
Hantavirus has been in the news a lot lately. Betsy Arakawa, wife of the late actor Gene Hackman, recently passed away in New Mexico due to the disease and California has already seen 3 hantavirus-related deaths this year. In this article we share information to help you understand hantavirus and what you…
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Bermuda buttercup infesting a bed of landscaped plants.
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Spring is in the Air, and Oxalis is Everywhere

April 17, 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.
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New Online Course: Calibrating Herbicide Applications for Non-Agricultural Areas

April 14, 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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A person wearing blue gloves on their hands is unscrewing the cap to a white container
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What Should You Wear When Using Pesticides?

April 1, 2025
When using pesticides and other garden chemicals, you should always wear personal protective equipment (PPE) to keep yourself safe. Pesticides can enter the body via the eyes, skin, nose, or mouth. The skin is the most common way pesticides enter our bodies, usually by splashing, spillage, or spray drift…
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Detector dog stands on a small box, gazing at handler to alert a find
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Dogs Sniff Out Pest Problems

March 27, 2025
By Lindsey Hack
Dogs use their keen sense of smell to help humans every day. Their powerful noses alert us to danger, aid in search and rescue operations, and even have the potential to diagnose diseases. But did you know that some dogs have been trained to sniff out harmful invasive pests? Enter the detector dogs! …
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