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Janice from Ridge City Texas writes

Does it treat black sooty mold on crepe myrtles?

Black powdered stuff on branches and leaves

Answer:

Hi-Yield 55% Malathion Insecticide Spray is safe to use on established ornamentals, and it will treat aphids, which are the cause of black sooty mold. Treating the aphids will also treat the black sooty mold, and then you can use a hose to clear the residue from it.

Answer last updated on: 04/05/2023

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