Landscape Tree Protection

 

 

When maintaining proper care of your trees and shrubs in your lawn or landscape it is important to not damage stems and trunks. It is best practices to keep the area around the tree clean, but it needs to be done properly. Mowing and weed eating is not recommended due to the possibly of severe damage to the trunk and stems. Repeated damage from mowers and weed eaters cause damage called girdling. There are a few very effective ways to protect the trunk and stems from damage such as mulching and using tree rings/tubes.

Repeated damage to the base of the tree and stems will affect the cambium layer. The cambium layer is a thin layer of living tissue directly under the bark of the tree, and it supports the growth and well-being of the tree, actively dividing cells located between the xylem (wood) and phloem(bark). Constant damage of this layer will cut off the flow of carbohydrates to the roots, which will cause the tree to die. This layer is the green material you see after the bark of the tree has been damaged. It is imperative to keep the cambium layer damage free to insure the best tree health.

 

Taking preventive measures will ensure the prolonged life of your tree. Using mulch around the perimeter of the tree for protection from injury is the most effective method of protection. There are different mulch types like straw, bark, leaves, needles, wood or grass. These are examples of organic mulches. Tree rings and tubes can be helpful to protect young trees. If mulch is not the best option for the plant, other materials such as cut sections of plastic pipe or rubber tires could be an option for protection.

Mulch is not only a great way to protect your trees from injury. It also helps with retaining moisture, erosion control, weed suppression, organic accumulation and aesthetic appeal. Following simple guidelines when using mulch will make sure that you are maximizing the material used. Maintain a 2-to 3-inch layer around your established trees. Avoid “volcano mulching”. “Volcano mulching” is when mulch is piled against the base of the tree, it holds moisture. High amounts of moisture can cause the trunk to rot.

To prolong the life of your trees and shrubs you must protect them from injury that can cause girdling. Avoid constant contact with lawn mowers and weed eaters that will destroy the cambium layer. Using mulch is a very effective way for protection as well as retaining moisture, erosion control, weed suppression, organic accumulation, and aesthetic appeal.

For more information contact your local UF/IFAS Extension Office.