Only during prolonged periods of summer drought will plants require.

Tree Forming: To tree form, wait until your Rose of Sharon is about 3 to 4 feet tall.

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 stumpcleanup.barted Reading Time: 3 mins.

Rose of Sharon plants bloom on new wood and are best pruned from March through early May before leaf buds open. Young rose of Sharon bushes respond well to light thinning and shaping while older.

More often than not, this causes soggy soil conditions that can lead to root rot and other harmful plant diseases.

Nov 10, Start by digging your planting hole at least two to three times as wide and as deep or not much deeper than the root ball of your Rose of Sharon. The wider the hole the better. Place native soil removed from planting hole around the perimeter of the hole, in a wheel barrow, or on a tarp. Step 2. While shaping or pruning can be done at any time, pruning in late winter or early spring will minimize the loss of the emerging flower buds on the new growth.

Pruning heavily in early spring or pruning back to buds will produce fewer but larger flowers. It can be pruned to to create a single trunk small specimen tree.