Feb 08, 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, Wait until winter or early spring to prune Rose of Sharon. Generally speaking, Rose of Sharon is an exceptionally self-sufficient plant, and doesn’t require much upkeep. If you decide that your shrubs are in need of touching up, however, do it during the 97%(86). Dec 19, Thought I might share with you and others. In October, she takes rose cuttings similar to the way you take hardwood cuttings from the Rose of Sharon. She inserts them into the ground as you do, but from there, she places a mayonnaise jar over the top and removes it Estimated Reading Time: 6 mins.