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My korean maple was damaged by the recent storm. A branch the size of an arm #943065

Asked August 21, 2026, 3:36 PM EDT

A branch the size of my arm was almost completely sheared off. I returned from a trip so it has been like this for 9 days. My husband is going to prune it and I’m wondering if we should spray the open wound with something to help it heal. 

Kane County Illinois

Expert Response

There is no need to apply anything to pruning wounds. Applying a pruning paint or wound dressing does not prevent wood decay and may interfere with the tree’s ability to seal the wound.

An Ask Extension Expert Replied August 21, 2026, 4:03 PM EDT

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