Garden Troubleshooting

raccoons
UC Marin Master Gardeners: Document

Raccoons

Smart, dexterous, and can become very aggressive when cornered. When searching for den or food, they can be extremely destructive to homes and gardens. Communicate using a variety of sounds including purring, growling, hissing, and whistling. Eat plants and animals, including berries, nuts, acorns, pet food,…
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rat
UC Marin Master Gardeners: Document

Rats

Rats are among the most common pests in Marin homes and gardens. Norway rats (Rattus norvegicus) also known as brown, sewer, or wharf rats, are mostly nocturnal. They constantly explore and learn about their environment, memorizing pathways, obstacles, and locations of food and water. Roof rats (Rattus…
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skunk
UC Marin Master Gardeners: Document

Skunks

Triangular-shaped head, short legs and long, sharp, non-retractable claws. Spray can be squirted accurately as far as six to 10 feet away as a defense mechanism. Live in burrows. Eat a varied diet. Excellent sense of smell and good hearing, but very poor vision. Healthy skunks are mild-tempered. They prefer…
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Gopher
UC Marin Master Gardeners: Collection

Pest Profiles: Vertebrates

Solving Problems | Top 20 Problems | Garden Pests | Weeds & Invasives | Extreme Conditions | Other Garden Problems | Biological Control & Natural Enemies | Reducing Harmful Chemicals in the Garden Vertebrate Pests - Birds, Mammals, and Reptiles A vertebrate is an animal with a backbone…
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UC Master Gardener Program of Alameda County: Page

Enchanting Plants or Garden Thugs?

Learn about garden thugs—ornamental plants that become invasive under the right conditions and spread aggressively, disrupting your garden and your neighbor's.
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banner frost
UC Marin Master Gardeners: Page

Frost

Frost injures plants by causing ice crystals to form in plant cells. This makes water unavailable to plant tissues and disrupts the movement of fluids. Frost-damaged leaves appear water-soaked, shrivel, and turn dark brown or black.
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UCCE Humboldt - Del Norte Counties: Page

Invasive Plant Species

Invasive plants are one of the greatest threats to croplands, rangelands, aquatic areas, and wildlands in the United States; they degrade the productivity and biological diversity of all ecosystems. Below are the sixteen most harmful weeds in Humboldt County.
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Leafcutter bee damage, circular holes along the edges of a rose leaf
UC Master Gardeners of Santa Clara County: Page

Plant Clinic Online

Have a sick plant, an ailing tree, mysterious spots on leaves? Chat with a Santa Clara County UC Master Gardener via Zoom to diagnose your plant problems. You can also listen and learn while other people ask their questions. Priority will be given to questions emailed in advance.
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UC Master Gardener Program of Alameda County: Page

Soldiers in Our Gardens

Learn how to identify, manage and attract beneficial insects, including soldier beetles. Protect the good insects that feed on the pests and pollinate plants.
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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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