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Tina Crabapple Tree #878220

Asked July 22, 2024, 10:54 AM EDT

The attached photo is of a few leaves from a Tina crabapple tree planted on May 16. Do you think I have overwatered or could it be scab or something else I need to treat? For watering I have been using a Treegator if/when top couple inches of soil around tree feels dry. Best, Gar

Hennepin County Minnesota

Expert Response

Check this web page and see which problem matches your leaves. Apple scab is prevalent this year because of all the wet weather.  Also a deep watering done less often is better than frequent shorter watering. 
https://apps.extension.umn.edu/garden/diagnose/plant/deciduous/crabapple/leavesyellow.html
For general information
https://extension.colostate.edu/topic-areas/yard-garden/flowering-crabapple-trees-7-424/
https://extension.colostate.edu/docs/pubs/garden/07424.pdf

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