Weigela Shrubs

Weigela With Powdery Substance

Anonymous added on July 4, 2016 | Answered

My weigela bush has white powdery substance on some of its branches. I am trimming my well-established weigela bushes after their spring bloom and I noticed this year that the backside of the bushes (next to my front porch) have a white powdery substance on some of the branches. What is it and what can I do to take care of it?

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Certified GKH Gardening Expert
Answered on July 5, 2016
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