Question: Two crape myrtles we bought in May bloomed and were very beautiful, but now the leaves have a slimy, black substance on them. What might this be and how do we treat it? Thank you, Pat

Answer: This is probably a fungal infection. It is probably not worth trying to treat it this season, but next season you might want to treat for it preventively before it appears. I would however suggest you consult now with your local county extension to obtain a specific diagnosis and if a chemical control is needed, they will have the most up to date information on what to use and how/when is best to apply it. In the meantime, this fall be sure to clean up all the fallen foliage and put them in the trash to limit sources of reinfection next year. Good luck wiht your crape myrtles!

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