Crape Myrtle Trees

Disease on Crepe Myrtles

dkiser628 added on April 13, 2012 | Answered

There are white spots on the underside of the trunks of my crepe myrtles. What kind of disease is this and what should I do about it?

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Certified GKH Gardening Expert
Answered on April 14, 2012

It sounds like the tree has scale. This article will help:

I would recommend neem oil. It is both a pesticide and a fungicide, so it will kill the scale and any fungal issues at the same time. It is also organic ans safe to use. Here is more information on it:

If the spots are more greenish or grayish white and flaky, it is lichen. It is harmless to the tree. This article will explain more:

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