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Pruning Wound on Sandcherry: Do Nothing, Watch for Borers

You cut too close on a purpleleaf sandcherry, damaging trunk. What to put on wound?

Answer: Nothing

Wound dressings/paints slow healing by killing cambium.
Tree will compartmentalize naturally.

Watch For

Borers: holes, frass, sap at wound.
If seen, spray wound with imidacloprid (Merit) or permethrin (Onyx).

Bottom Line

Leave it alone. Monitor for borers. The tree will seal it.

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