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 bushtrimmers.buzzted Reading Time: 2 mins. May 05, Pruning to Rejuvenate. If you are pruning an azalea in order to rejuvenate the plant because it’s become spindly or sparse, locate three to five of the largest branches on the azalea bush. Cut these branches back by a third to a half. Trim all the other branches on the plant as though you’re shaping the plant.
May 05, Even though both varieties of evergreen azalea should survive the winter, you'll probably see a few dead or diseased looking stems and branches in the shrub come spring. Use hand trimmers (or loppers, for thicker branches) to remove dead or damaged stems where they connect with healthy wood%.
How to Prune Azaleas. Most azaleas are just going to need a little shaping and thinning, to maintain size and health. This is easy asand why azaleas and rhododendrons are considered low maintenance. Step 1 - wait until the flowers die off in the spring to prune.
Step 2 - cut off dead branches and stems from the shrub. Aug 30, The more gradual approach to rejuvenation pruning involves spreading the process over a three year period; cutting 1/3 of the stems to within 6 to 12 inches of the ground at the beginning of each growing season. By the end of this time, all the old wood will be removed and only healthy new growth will remain.