Garden Troubleshooting

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Sunny Sky
UC Marin Master Gardeners: Page

Heat

Wilted, drooping leaves are signs of heat stress in plants. Photo credit: Pikist.com Plants are sensitive to both air and soil surface temperatures. Temperatures ranging from 60 to 85F are optimum for plant growth and development.
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UC Cooperative Extension Imperial County: Page

Entomology

The UCCE Entomology Research and Extension program is entrusted with developing and implementing targeted research and education programs on managing insect pests of vegetables, forage crops, field crops, and specialty crops in Imperial County.
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UC Master Gardeners of Santa Clara County: Page

Ask a Gardening Question

Our Help Desk is here to answer gardening questions for Santa Clara County residents. Please review our plant diagnosis questions before contacting us. It will help you gather information so we can better assist you. For many issues, our Garden Help pages or the UC Integrated Pest Management website may give…
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UC Master Gardener Program of Alameda County: Page

Why are mushrooms popping up in my yard?

Find out why mushrooms are appearing in your garden, their causes, role in soil health, and if they’re harmful or beneficial to you, pets, and your plants.
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Flooded feet
UC Marin Master Gardeners: Page

Flood

Richard Bell, Unsplash Most landscape plants will survive a few days of flooding. Photo credit: Iowa State University Plant roots need air too. Good garden soil contains a network of pore spaces filled with water and air. Both are necessary for healthy roots and beneficial soil-dwelling organisms.
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UC Master Gardeners of Placer County: Page

About Master Gardeners

About Master Gardeners Our mission as University of California Master Gardener volunteers is to extend research-based sustainable gardening and composting information to the public through various educational outreach methods. We strive to present accurate, impartial information to local gardeners so they…
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UC Master Gardeners of Santa Clara County: Page

Contact Us

Do you have a home gardening question? Need advice for a school garden? Want to get monthly advice and notice of events? There are many options to contact us.
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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.
Pests in the Urban Landscape: Article

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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