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Seasonal
Brown to black leaves on hybiscus
September
Category
LANDSCAPE ORNAMENTALS
Answers ( 1 )
Hello. This looks like sooty mold caused by a sap sucking insect. Wash the plant off with some soap and water and look for insects. Scale, white fly, mealy bug are all possible insects that can cause this.
Scott Evans
2025-10-09 13:14:27
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