Crape Myrtle Trees

My Crepe Myrtle Has a Sticky Substance on Its Leaves

charlene added on October 2, 2011 | Answered

Leaves are sticky and branches have black coloration.

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Certified GKH Gardening Expert
Answered on October 3, 2011

This is a sign of a pest infestation, either aphids or scale. The sticky substance is honeydew excreted from the bugs. Treat the tree with a pesticide. I prefer neem oil myself (, but any insecticide will fix the issue.

The black substance sounds like a sooty mold issue, most often brought on by pests. Neem oil can also be used to get rid of the fungus too. This article will help:

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