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Verticillium Wilt
Verticillium wilt is a fungal disease that causes serious injury and often death to its host. It is caused by the fungus Verticillium dahliae and can live in the soil for long periods of time without showing any signs.
Horned and Gouty Oak Galls
There are various species of wasps that may infest oak trees, but two common species include the horned oak gall wasp (Callirhytis cornigera) and the gouty oak gall wasp (Callirhytis quercuspunctata). These pests cause galls, or abnormal plant growths, found on foliage and twigs.
Tinder Fungus
Tinder fungus is a fungal species that produces large, porous fruiting bodies that often resemble a horse’s hoof. They vary in color, but are most commonly gray, black or brown. The body can be from 2-17 inches across, 1-10 inches wide and 1-10 inches tall.
What Do Trees Need to Be Healthy? (Tree Care Information)
Want to grow a big, beautiful tree? Or need to make a struggling tree healthy again? Use these 6 tips to get your tree looking fresh as can be. First...
How To Care for Flowering Trees & Shrubs Year Round
Learn how to care for flowering trees and shrubs year-round with our comprehensive guide. Discover when to cut back flowering trees and shrubs and what season they should be pruned to ensure healthy growth and vibrant blooms in your landscape.
Cherry Bark Tortrix
The cherry bark tortrix (CBT) moths are major pests in the Pacific Northwest, where they affect rosaceous trees and shrubs. Affected plants include apple, crabapple, hawthorn, Mountain ash, pear and Photinia species. Prunus species are the preferred hosts.
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