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Asked by: Hibernon Penelo
hobbies and interests beekeepingDoes powdery mildew kill crape myrtle?
Then, how do you get rid of powdery mildew on crepe myrtles?
Many people fight powdery mildew by trimming back all affected branches, but this can reduce a floral display if done too late in the season. The best practice is to choose a resistant variety of crape myrtle and plant it in the sun. The next best practice is to spray with a preventive fungicide early on.
Thereof, what is the white stuff on crepe myrtles?
Diseases. Powdery Mildew: Powdery mildew is one of the most common problems of crape myrtle, and it is caused by the fungus Erysiphe lagerstroemia. Patches of white to grayish powdery growth occur on the surfaces of leaves, flowers and new shoots. Heavily infected flowers may fail to open.
Spray the tree with a molasses solution (2 ounces of molasses to 1 gallon of water) and then release lady bugs (available at some garden centers). You also could treat with neem or a horticultural oil. Once the aphids are gone, the sooty mold will gradually disappear.