Pruning
ArboricultureThe selective removal of plant parts such as branches, buds, or roots to improve tree structure, health, or appearance.
Pruning is one of the most common and important tree maintenance practices. When done correctly, it improves tree structure, removes hazardous deadwood, increases light penetration, and can stimulate fruit production. The key principle is making cuts at the proper location, just outside the branch collar, to allow the tree to compartmentalize the wound efficiently.
There are several types of pruning cuts, each serving a different purpose. Crown cleaning removes dead, dying, or diseased branches. Crown thinning selectively removes interior branches to reduce wind resistance and improve light penetration. Crown raising removes lower branches for clearance. Crown reduction decreases the overall size of the canopy by cutting back to lateral branches.
Timing matters significantly in pruning. Most deciduous trees are best pruned during dormancy in late winter, which minimizes stress and disease risk. However, dead or hazardous branches should be removed any time of year. Avoid heavy pruning in fall, as it can stimulate late growth that will not harden before winter. Never remove more than 25% of a tree's canopy in a single season.