Why Pruning Is Important for Trees and Shrubs It improves air circulation and sunlight penetration, enhancing overall plant health. Key Pruning Techniques 7. Rejuvenation Pruning: Cuts back old growth to stimulate new, vigorous shoots. Best Times for Pruning Plants Evergreens benefit from light pruning in early spring or late https://tree-and-shrub-pruning.trustedstandard.com