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Plant Pests and Diseases
Plant Pests and Diseases
Anthracnose Canker Integrated Management Plan for Home Gardeners (Home Garden Series)
Home gardeners can learn to mitigate this rampant disease in the Pacific Northwest that limits apple harvests. ...
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Assessing Tree Health
Healthy trees are beneficial to our environment and our property values - but how do we determine if a tree is healthy? This publication briefly discusses common tree health problems and outlines a p ...
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Beneficial Insects, Spiders, and Mites in Your Garden: Who they are and how to get them to stay (Home Garden Series)
Most of the insects, spiders, and other mini-creatures that pass through or live in your garden or home landscape are beneficial—or do little to no harm to you or your plants. Only a handful of garden ...
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Codling Moth and Your Backyard Fruit Tree
The codling moth is a key pest in apple, pear, crabapple, and Oriental pear trees across the state of Washington. This publication provides information on the life cycle of the pest and management str ...
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Environmental Injury: Cold Temperature Injury of Landscape Woody Ornamentals (Home Garden Series)
A plant’s cold hardiness—its tolerance to freezing temperatures—determines how well a plant can survive winter. This publication discusses the factors that contribute to plant cold hardiness and expla ...
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Environmental Injury: Frost Cracks (Home Garden Series)
Trees can suffer all kinds of injury, including damage caused by the environment. Frost cracks are one type of environmental injury that appear to occur after very severe cold winter weather. This pub ...
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Environmental Injury: Sunscald and Sunburn on Trees (Home Garden Series)
Trees can suffer all kinds of injury, including damage caused by the environment. Two types of environmental injury related to temperature are sunscald and sunburn. This publication outlines the sympt ...
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Environmental Injury: Winterburn of Evergreens
Trees can suffer all kinds of injury, including damage caused by the environment. Winter burn is one type of environmental injury that occurs on evergreen trees and shrubs when adequate moisture is un ...
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Growing Roses in Washington State: Common Disease and Insect Problems (Home Garden Series)
Roses are arguably the most attractive flowering shrub in Washington State and a favorite of home gardeners. To keep your roses looking beautiful and healthy, fending off disease and pests is importan ...
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