The best time to prune azaleas is just after they finish blooming in spring or early summer. Pruning soon after flowering allows the plants enough time to develop and mature new growth for the next season's blooms. This timing helps maintain the plant's shape, encourages healthy growth, and avoids cutting off next year's flower buds. Typically, pruning is recommended between late spring and early summer, preferably by mid-summer or no later than July 31, depending on the climate. Thinning (removing whole branches) can be done at most any time during the season, while heading (cutting back smaller segments to shape and revitalize) is best done right after the flowers fade. Avoid pruning late in the season as it may prevent the formation of buds for next year’s blossoms.
