Garden Pests and Diseases: Black spots on indoor hibiscus, 1 by GardenJeanne
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Subject: Black spots on indoor hibiscus
Forum: Garden Pests and Diseases
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GardenJeanne wrote: I have several tropical hibiscus that I overwinter indoors. I noticed that at least one of them has developed black spots on the underside of the leaves. I\'ve tried to research this to find out what it is, but haven\'t come up with anything definitive. If anyone knows what this is and what I should do about it, please let me know. |