White and gray discoloration on Honeysuckle vine leaves
Thanks for writing. It sounds like your honeysuckles have been infected with powdery mildew, a very common disease. Powdery mildew likes moist, humid weather and shows up as a gray, white, or silver powdery-looking substance on the leaves.
Learn more about powdery mildew here: http://www.bhg.com/gardening/pests/insects-diseases-weeds/stop-powdery-mildew/
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