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Plant Pests and Diseases
Plant Pests and Diseases
Identifying, Treating, and Avoiding Azalea and Rhododendron Problems
Full color photos and descriptive text will help you identify disease and insect symptoms on these popular landscape plants.
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Manage Wildlife Conflicts in Your Home and Garden
Our homes and gardens often overlap with spaces and resources used by wild animals, both native and non-native. A "shared habitat" situation can pose some challenges when the animals' day-to-day activ ...
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Moisture Ants
Ants in this collective category invade wood that is rotting or in final decay stages. The ants do not cause the decay, but indicate an existing problem. Yellow and cornfield ants are described. Co ...
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Mole Management in Washington Backyards (Home Garden Series)
Moles are serious pests to lawns and gardens in western Washington, along with a few areas east of the Cascade Mountains. This publication will help home gardeners develop a multi-action plan to deal ...
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Organic Management of Flea Beetles
Flea beetles are common garden pests found throughout the Pacific Northwest. Flea beetle feeding on plants in the Brassicaceae and Solanaceae families can scar foliage and potato tubers, leading to re ...
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Ornamental Grass Threatens Native Biodiversity
Ornamental grasses are increasingly popular in landscaping. One species being offered in nurseries and online is ribbongrass, or Phalaris arundinacea var. picta (‘Castor’, ‘Feesey’, ‘Strawberries and ...
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Pest Control in Home Vegetable Gardens
Chart lists insecticides registered for use on vegetables in Washington State, by vegetable from Asparagus to Turnip. ...
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Pest Watch: Viburnum Leaf Beetle (Home Garden Series)
Viburnum leaf beetle (Pyrrhalta viburni) is an invasive pest from Europe that is spreading in Washington State. It can cause branch dieback and even death of Viburnum species, including native species ...
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Pesticide Ingredient: Neonicotinoids
Are you concerned about how to manage insect pests while still protecting insect pollinators? Although many insecticides can kill or damage pollinators, new insecticides may offer better alternatives. ...
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