When and Why to Prune Your Trees: A Practical Guide

https://sierra-wiki.win/index.php/When_and_Why_to_Prune_Your_Trees:_A_Practical_Guide

Pruning trees at the right time, usually in late winter or early spring, prevents disease and promotes strong growth. Removing dead or crossing branches improves air circulation and sunlight exposure, reducing the risk of pests. Avoid heavy pruning in fall, which can stimulate new growth that winter kills.