Pruning Ash Trees - Ask Extension
Is it OK to prune small ash tree branches in July?
Knowledgebase
Pruning Ash Trees #875258
Asked June 29, 2024, 2:57 PM EDT
Is it OK to prune small ash tree branches in July?
Carver County Minnesota
Expert Response
It's best to prune trees in late winter and early spring. Summer pruning might stimulate new growth that won't have time to harden off before winter. If this is a green ash tree, pruning it in summer also increases the risk of attracting emerald ash borers. This is the pest that has killed thousands of green ash trees.
