When shrubs are repeatedly sheared to the same level, the growth of the plant is concentrated in the outer layers of leaves. This constricts light penetration and air circulation to the inside of the plant. When the outer layer is repeatedly damaged by overshearing, the plant loses the majority of its healthy growth and can go into shock.
Working with professionals is important to ensuring that trimming practices are healthy to the plant instead of damaging. VI Tree Service in Vancouver has over 20 years of experience caring for local trees and shrubs. Their crews are experienced and professional and they are ready to handle anything from small projects to large landscaping. Skip to content.
Plants that benefit from shearing are as follows:. Unfortunately, overdoing it can lead to the death of the plant. Working with a tree service company or skilled arborist can help prevent the occurrence of over-shearing.
Over-shearing refers to the excessive cutting of a plant resulting in a loss of surface area to maintain its health.
Evergreen shrubs and trees are a classic choice for shearing. Herbaceous perennial shrubs also benefit from shearing. This shrub will have new shoots growing annually from the roots. Cutting back the perennial after it blooms can encourage regrowth and reflowering. Keep an eye out for plants with brown tips around midsummer, as these plants might need some light shearing as well.
A good rule of thumb for assessing if plants are suited to shearing is to look at the leaves, branch density, and growth rate. Shearing shrubs and trees should have dense branching, leaves that are less than two inches, and a slow growth rate.
Poor technique with shearing can ultimately kill a shrub or tree. If a gardener cuts back on new growth too much, only older and less healthy branches and leaves will remain. The center of the plant will be weak and barren from a lack of sunlight and airflow.
Tree shearing can be done safely and support tree health, but it is best done with someone that knows when and where to cut. The Difference Between Shearing and Pruning. In the average landscape, however, sheared shrubs look out of place. It may take a little more time than shearing, but, if you still need more convincing about the positive effects of pruning, look no further!
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Any negative consequences of shearing? Read all about how pruning benefits your shrubs in this blog post.
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