My parents still have them at their house.
The best advice: don't prune in the fall. Unless you have dead branches. Or there are branches that may become a hazard in the winter. Most experts say you shouldn’t prune anything at all in the fall. The choice is up to you. Why? Your trees focus their energy on their roots during the colder seasons. So, any cuts from pruning won’t heal in bushcleanup.barted Reading Time: 2 mins.
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 bushcleanup.bar 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 bushcleanup.barted Reading Time: 5 mins. Nov 11, Bloom Time Is the Key Many of the commonly butchered shrubs and trees bloom in spring. This means that they've already formed their flower buds.
So if Doofus goes nuts with the loppers and wails away on a spring-bloomer this weekend, he'll cut off the flower buds and you. Mar 02, You can also shape the shrub at this time.
More drastically cutting back spirea should occur in the fall or in late winter to early spring. Remove any dead branches and use this trimming to shape the shrub. Cutting it way back will stimulate new growth in tighter clusters so that you can get a more rounded, compact shrub shape.