Southern Credit Azaleas.

May 05, The best when can you cut back azaleas bushes to trim azaleas is after the blossoms have faded, but before the new blossom buds have started.

You will need to reach inside the plant and cut these stalks off where they join up with each branch.

The next year’s blossoms typically start forming at the beginning of July, so you must prune an azalea bush before then. If you prune azaleas after the beginning of July, you may not get any flowers on the bush next year. 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 stumpclear.barted Reading Time: 2 mins. 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 stumpclear.barted Reading Time: 2 mins.