There are two ideal pruning times--in spring right after blooming, and in early summer. Spent blooms shrivel and discolor, signaling a good time to prune. Do not prune azalea plants in late summer, as this will remove flower buds and prevent blooming.
How to Prune Azaleas. Pink, red and white azaleas adorn lawns across the South every spring. These shrubs are hardy and easy to care for because they thrive in many locations and conditions. Learn how to prune azaleas to keep them blooming.
Pruning Azaleas - How To Trim Azalea Bushes & When To Trim Azaleas