What factors influence the decision to install tree support systems?

The decision to install tree support systems is primarily influenced by signs of structural weaknesses, such as trunk cracks or a lean in the trunk, because these factors indicate that the tree may be at risk of failure. When a tree exhibits physical distress, it may be unable to withstand environmental pressures such as wind, rain, or weight from foliage or branches. By assessing structural weaknesses, arborists can determine if a tree requires additional support to maintain stability and health.

The presence of trunk cracks, splits, or severe leaning can compromise the tree's integrity, which is critical for its survival. Installing tree support systems, such as cables or braces, helps redistribute stress and provides the necessary support to help the tree withstand potential hazards, thereby reducing the risk of uprooting or breaking in adverse conditions.

While factors like the tree's age, height, weather conditions, and soil composition can play roles in the overall health and stability of the tree, they do not directly indicate the immediate need for support like visible structural weaknesses do.