white powdery substance on crape myrtle buds - Knowledgebase Question

cherry hill, nj
Question by kruppyb
September 10, 2006
i have a crape myrtle which is 2 years old; it had a beautiful first flowering in july and now a lot of buds, instead of blooming, are appearing with a white powdery substance covering the entire bud;
the tree otherwise looks extremely healthy

Answer from NGA
September 10, 2006


Based on your description I think your crepe myrtle has powdery mildew. This attacks crepe myrtle under certain weather conditions and those that are planted in shady sites or sites with poor air circulation. Some varieties have better resistance to mildew than others. You may be able to rinse it off with water from the garden hose. Also avoid wetting the plant when you water, especially at night. If the problem continues, please consult with your county extension for a more specific diagnosis and based on knowing that, obtain their control recommendations.

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