Now is the best time to prune trees

With spring around the corner, the Colorado State Forest Service is reminding residents that late winter is the best time to prune most trees. Trees are still dormant at this time of year and, unlike in early winter, wound closure will happen sooner if pruning occurs just prior to the time new growth emerges.

 “Pruning trees during the late dormant season maximizes growth and allows the tree owner to spot problem areas and build strong structure for the long term,” said Vince Urbina, urban and community forestry manager for the CSFS. Urbina noted that although some elms, maples, birch and walnut trees may visibly exude sap if pruned in the late winter or early spring, this should not harm the tree.

 The CSFS offers the following tree pruning tips:

— Know what you want to accomplish before you start pruning. Don’t remove any living branches without a good reason or specific objectives in mind.

— Remove any torn, dead or broken branches.

— For shade trees, develop or maintain one dominant vertical top stem, or leader, and don’t cut off the tops of trees.

— Space the main branches along the trunk and prevent branches below the permanent canopy from growing upright or getting too large.

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