May 05, 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. Knowing when and how to trim azaleas, you can keep.
pruning To avoid losing next year’s blooms, you can prune small branches when the plant is in bloom (and enjoy them inside the house) or soon after. 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 Estimated Reading Time: 2 mins.
Sep 25, Azaleas set buds in summer. Mayra Beltran/Chronicle. Q: Our landscaper insists on trimming azaleas mid-September. I've always assumed the best time to prune is after they stumpfelling.buzzted Reading Time: 1 min. Oct 11, 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 year.
If you wait until the late summer or fall to prune, you risk cutting off the flower buds and all you will get next year is a bush full of green stumpfelling.buzzted Reading Time: 2 mins.