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Carpenter Costin's Blog

Powdery Mildew a Concern Across Our Region

Posted by Carpenter Costin

Jul 25, 2011 11:07:00 AM

Powdery Mildew, caused by several types of fungi, is beginning to show fairly heavily across New England. Appearing as white, dusty coating on plant and tree foliage, Powdery Mildew can create a very unslightly appearance on your trees and shrubs. On the North Shore and around the Greater Boston Area, Powdery Mildew most commonly affects dogwoods, maples, oaks, lilacs, and birches.

Though the dusty appearance of Powdery Mildew is unslightly, rarely does the fungus ever fatally damage a tree. Without proper care, however, Powdery Mildew can spread quickly and develop across your entire landscape.powdery mildew fungus

Treating Powdery Mildew requires a combination of fungicide treatments, and good cultural practices. Pruning and destroying affected areas is a great way to stop the spread of the disease. Combine fungicides, or topical treatments of summer horticultural oil, with good cultural practices, such as pruning, to protect your trees and plants from Powdery Mildew.

View Powdery Mildew in our glossary

If you see Powdery Mildew on the leaves, shoots, and flowers in your yard, we recommend consulting with a Certified Arborist. Our disease management treatment programs are designed to prevent Powdery Mildew and other fungal diseases.

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Topics: tree care, plant disease management, shrub care, Insect & Disease Management, powdery mildew