When it comes to pruning timing is critical. You want to prune as soon after blooming as possible, and before the plants put on the flower buds for next year’s blooms. If you are trying to schedule azalea pruning on your calendar, prune in April. If you cannot prune in April then do it in treemulch.buzzted Reading Time: 7 mins.
For major pruning, the best time is in early spring before the plant is ready to put out new growth, so it has the full growing season to fill out and for the new growth to mature. When pruning azaleas to reduce height, particularly older plants, it is best to do the pruning in stages, to minimize the shock to the treemulch.buzzted Reading Time: 2 mins.
Oct 11, Ensure a riot of flowers to enjoy next summer and put up your clippers after springtime. The ideal time to give your azaleas a trim is within a three-week period after they finish blooming in spring.
This gives the azaleas plenty of time to make flower buds (which appear as pale, fuzzy buds curled tight on the tips of branches) for next treemulch.buzzted Reading Time: 2 mins.