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What is wrong with my Aucuba? #876603

Asked July 10, 2024, 3:59 AM EDT

Hello. My Aucuba gets black tipped leaves as well as some spots. Will you please take a look at the attached photo and diagnose the problem? What can I do to help it? Thank you.

Washington County Oregon

Expert Response

Thank you for your question.  I suspect the spots are caused by a fungus described here:  https://pnwhandbooks.org/plantdisease/host-disease/aucuba-leaf-spots

The only fungicide listed is not available to homeowners, so the cultural controls are our only option.  Good luck!
An Ask Extension Expert Replied July 10, 2024, 1:11 PM EDT

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