Timing is the key to pruning deciduous shrub. For lush growth, spring flowering shrubs require trimming as soon as the blooms fade. Do not leave a stud; make the cut as cleanly as possible against the remaining branch, on younger shrubs, prune branches back to non-flowering shoots or back to healthy buds pointing in the direction you want the shrub to grow.
Apr 07, GREEN THUMBS UP: A timetable for pruning flowering trees and shrubs. By Suzanne Mahler Saturday Apr 7, at AM Apr 7, at AM. Spring cleaning my lawn and gardens is still on hold until soils dry out a bit more to avoid compaction, but pruning will begin in earnest now that my trees and shrubs have become more accessible. Mar 02, For flowering shrubs such as azalea, rhododendron, and lilac, pruning before they bloom removes some flowering buds. Unless you don’t care about this year’s flowers, wait until just after they finish blooming to cut them back.
If your plants are really overgrown, you may want to improve their shape by more drastic pruning, perhaps over several years. Removing a third of the large stems and Estimated Reading Time: 2 mins.
How Often to Trim Shrubs? So, you’ve probably gathered that some shrubs are best pruned in the spring, some in the fall, and some can be pruned most times of the year.
But how often does this all really need to be done, particularly if you’re hiring a pro?
The bare minimum plan for pruning is twice a year, but for most properties, this really isn’t enough to help keep your shrubs looking their best.