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Pieris Shrubs

Q.The Leaves On My Pier Is Are Covered In What Looks Like Black Powder.

Zone Harrogate | Anonymous added on February 23, 2021 | Answered

It’s in a large pot since 2012.

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Certified GKH Gardening Expert
Answered on February 24, 2021

It could be sooty mold. Inspect your plant for insects. The insects secrete honeydew which causes the sooty mold.

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