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Crab Apple - Browning Leaves #874883

Asked June 26, 2024, 9:17 PM EDT

Hi - Recently our two crap apple trees (Siberian?) have started having browning and yellowing on the leaves. Wondering if there is anything I can do to help them. I attached some images.

Dakota County Minnesota

Expert Response

Hi,

This looks like apple scab, which thrives in wet years. Here’s a fact sheet on scab and what you can do about it.

https://extension.umn.edu/plant-diseases/apple-scab

I hope this is helpful. Thanks!

MJ Replied June 26, 2024, 9:44 PM EDT

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This work is supported in part by New Technologies for Ag Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.

Crab Apple - Browning Leaves #874883

Expert Response

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