Garden Troubleshooting

UC Master Gardeners of Merced County: Page

Support UC Master Gardener Program of Merced County

Donate to the UC Master Gardener Program in Merced County, which provides information to the public on home gardening, pest management, and sustainable landscaping practices to Merced county residents through: Monthly free workshops to the community, Free individual advice through our Help Line, Information…
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UC Master Gardeners of Tuolumne County: Page

Hotline Gardening Questions

To get foothill-specific gardening advice, contact the UCCE County Master Gardener of Tuolumne County Hotline at: Phone: 209-533-5912 or Email: mgtuolumne@ucdavis.edu Master Gardeners do check the hotline on a frequent basis.
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invasive blackberries
UC Master Gardeners of Butte County: Page

Pests and Invasive Plants

Information on Pests in the Garden, Landscaping, and the Home; Invasive Plants and Pests; and Weeds.
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Windy trees
UC Marin Master Gardeners: Page

Wind

Plants can dry out quickly when exposed to constant wind. Photo credit: UC Regents The force, direction, and persistence of the wind determine the type of damage plants may suffer. Most damage occurs with winds above 30 miles per hour.
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Lettuce field with fusarium resistance trial
UC IPM on the South Central Coast: Article

Tolerance of lettuce varieties to Fusarium wilt – 2024

February 24, 2025
By Alexander I Putman, Yu-Chen Wang, Christopher A Greer
Tolerance of lettuce varieties to Fusarium wilt 2024 Alex Putman, Yu-Chen Wang, and Chris Greer Summary Fusarium wilt of lettuce, caused by Fusarium oxysporum f. sp. lactucae (FOL), is an economically significant disease on the Central Coast of California.
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Yellow Star Thistle
UC Master Gardener Program Statewide Blog: Article

Invasive Plants: What They Are and Why They Matter

February 24, 2025
By Lauren L Snowden
National Invasive Species Week (NISW) happens every year to raise awareness about the growing problem of invasive plants and animals in the United States.
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A person wearing rubber gloves using a spray bottle to spray pesticide on a rose bush outside.

Tips for Using Pesticides Safely

February 24, 2025
By Lauren Fordyce
At UC IPM we recognize pesticide safety education every month, but February in particular is National Pesticide Safety Education Month! Below are some simple tips for using pesticides safely to protect yourself, others, wildlife, and the environment.
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A person looking at a bottle of 20% acetic acid vinegar weed killer with a signal word DANGER.
Pests in the Urban Landscape: Article

Can I Use Vinegar to Control Weeds?

July 18, 2024
Acetic acid, also known as vinegar, is used in products for weed control. Many people choose it because it is natural. However, acetic acid can damage skin and eyes, especially at concentrations commonly found in weed killers.
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