Feb 08, In addition to reducing the height, you can cut out dead or diseased wood and remove any out-of-control branches back to the base. Because rose of Sharon blooms on the current season’s growth it should be pruned in late winter. Next winter, remove any new growth from the previous year and an additional third from the existing old treecut.buzzted Reading Time: 3 mins. May 29, As a rule, the best time to prune your Rose of Sharon is anywhere from March to early May, before the blooms begin to open.
Cutting back your Rose of Sharon too early or too late can “shock” the plant, leaving it vulnerable to the elements and stunting healthy new growth%(86). Nov 06, Th e Dormant Season. The best time to cut Rose of Sharon is during the dormant season. This dormant season occurs in late winter or early spring, typically around March. However, the shrub will thrive in trimmed at any point in the following months until early treecut.buzzted Reading Time: 6 mins.
Jul 23, In general, prune all stems back to the second swelling bud from the ground from late winter until the plant produces leaves; don't cut Rose of Sharon to the ground completely.
Aug 27, Rose of Sharon blooms on new wood, so it should be pruned in the late winter or early spring to avoid cutting off any flower buds.
Pruning back the stem tips will encourage more branching and thus more flowers.