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Variegated Maple leaves brown in the center #909888

Asked July 15, 2025, 8:19 AM EDT

Hi All: Am I over watering or underwatering my Variegated Maple if the leaves are turning brown in the center of the leaf?

Scott County Minnesota

Expert Response

The brown spots are  evidence of  a leaf spot disease called anthracnose.  The spots may be unsightly, but anthracnose seldom affects tree health and no control is needed.

Learn more here:

https://www.maine.gov/dacf/php/gotpests/diseases/anthracnose.htm

https://extension.umn.edu/plant-diseases/anthracnose-trees-and-shrubs
An Ask Extension Expert Replied July 15, 2025, 12:39 PM EDT

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