Apr 24, Evergreen shrubs that do not flower can be pruned and sheared at any time throughout the year. These shrubs can be formed into almost any shape you can think of. If you would like your plant to maintain a certain shape or design, a shave or trim will.
Prune evergreen shrubs, such as juniper and yew, in late March or early April before new growth begins. Light pruning may also be done in mid-summer.
Avoid pruning evergreen shrubs in the fall. DON’T prune during fall. No matter what type of shrub you have, fall pruning can stimulate late-season growth that may not have enough time to harden. This can weaken and damage the plant Estimated Reading Time: 5 mins. For instance, some varieties of Azaleas only bloom once and the best time to prune them would be as soon as possible after they bloom.
Ideally, there is only a six-week window of when pruning is appropriate. But some of the newer varieties bloom twice and can be pruned twice (also soon after blooming). Hydrangea shrubs also have variations. It's ok to clip them in the fall because these plants form flower buds on new growth next season, not the old growth of last shrubcleanup.buzz in doubt, always remember this advice from The Grumpy Gardener,"The best time to prune a flowering tree, shrub, or vine is after it finishes blooming.
Prune summer-flowering woody plants in late fall or shrubcleanup.buzzted Reading Time: 5 mins.