Tree Trimming 101

The proper trimming of trees and shrubs improves aesthetics, maintains safety and health and helps protect property. Every cut on a tree has long-term consequences, and pruning is an art that requires a well-trained eye and an understanding of the specific needs of each plant.

Tree trimming is the process of removing dead or diseased limbs, as well as eliminating branches that rub together or interfere with buildings, traffic or power lines. It also includes thinning, crown reduction and crown cleaning.

Proper pruning techniques reduce damage caused by storms, pests and aging. It can also alleviate problems such as excessive growth, crowded or congested crowns, weak branch connections and crotches with narrow angles. Pruning also provides air circulation and light penetration, as well as reducing stress on specific limbs due to wind, gravity, snow or ice.

When doing any kind of trimming, it’s important to use sharp tools and avoid over-zealous cuts. It’s also a good idea to wear protective gear, such as safety glasses and gloves, to avoid cuts or splinters from the wood. Finally, it’s a good idea to have business equipment protection insurance to cover the costs of replacing damaged equipment.

In general, never remove more than one-fourth of a living crown at once and spread removals over a number of years to avoid putting too much pressure on the lower branches. Always focus on removing dead, dying or diseased limbs first. Crossover or rubbing branches should be removed next, followed by limbs that are too close to the ground. Finally, consider removing limbs that have weak, V-shaped or narrow angles and retain branches with strong, U-shaped angles.

Crown thinning is the most common pruning technique conducted on mature trees. This involves removing specific live branches to reduce the overall density of a canopy, which in turn will increase sunlight penetration and air circulation. It can also help reduce stress on certain limbs caused by wind, snow or ice.

This type of pruning is typically conducted on evergreens to eliminate competing limbs and encourage new growth. It can also be used to shape the overall form of a shrub or tree. It’s a good idea to prune in the spring and fall, as this will promote healthy, vigorous growth. Avoid pruning during the summer, as this can cause wounds to open prematurely and expose the plant to insects and diseases.

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