Why Pruning Is Important for Trees and Shrubs Pruned plants are more resistant to pests and diseases. Key Pruning Techniques 2. Deadheading: Cuts off spent flowers to encourage new blooms. 3. Remove dead, diseased, or damaged branches first. 7. Disinfectant: Cleans tools between cuts to prevent disease spread. Maintenance https://tree-and-shrub-pruning.trustedstandard.com