What is the general rule for trimming branches?

The general rule for trimming branches is to never remove more than 25% of a tree's canopy in a single season. This guideline is crucial for maintaining the health and stability of the tree. Taking away too much foliage at once can significantly stress the tree, reducing its ability to photosynthesize, which is essential for growth and vitality.

By limiting the amount of canopy removed, you help ensure that the tree has enough leaves left to produce the necessary energy it needs to recover and thrive after trimming. This practice also helps maintain the tree’s natural shape and structure, which is important for aesthetics and for the tree's overall health. Adhering to this percentage provides a balanced approach to tree health and long-term maintenance.

Other options suggest practices that are either too extreme, seasonal, or focus on incorrect methods of trimming that could negatively impact the tree's health and future growth. By following the 25% rule, you align with best practices in arboriculture that promote responsible and sustainable tree care.