The best time to rejuvenate large, overgrown shrubs is late winter or early spring (March or early April). Heavy pruning in late winter or early spring will reduce or eliminate the flower display for 2 or 3 years. However, rejuvenation pruning will restore the health of the shrubs. The best time to prune healthy, well-maintained spring. Apr 07, Butterfly bushes often become leggy and unattractive when allowed to grow unrestrained. Cut back these vigorous shrubs to feet in April to promote glorious quantities of fragrant flowers.
The popular blue and pink big-leaf, mophead and lacecap hydrangeas are exceptions to general pruning practices. Remove crossing branches and branches that grow back towards the center of the tree.
As young trees grow, remove lower branches gradually to raise the crown, and remove branches that are too closely spaced on the trunk. Remove multiple leaders on evergreens and other trees where a single leader is desirable. Shrubs. Dec 28, February – March Pruning. Hydrangea PG (Paniculata Grandiflora) and arborescens – quite hard pruning.
Sambucus foliage types – can be cut back hard to induce good growth stems and foliage. Cornus alba and stolonifera types – together with sanguinea can be cut back hard to get plenty of stems for next winter spectacular.
Mar 10, March is a great time of year to prune many shrubs. This undated photo shows clove currant, a fruiting shrub, being pruned in New Paltz, N.Y. Lopping some of the oldest stems to ground level each Estimated Reading Time: 5 mins. Mar 06, Giving the Buddleia a severe spring pruning in March to about a foot from the ground gets rid of most of the dormant branches and stimulates growth.
Q. I’ve heard that in late winter you should cut back a butterfly bush to 12 inches from the ground. My butterfly bush is about 8 feet tall. I’m afraid if I do this the bush won’t grow back.