Mar 30, The best time to prune spirea is after the first flowering. For a spring-blooming cultivar, a good time will be in late spring. For a summer-blooming variety, this will be in mid-summer. During the spirea trim, cut the back the tips of the stems to the top of the leaf bushtrimmers.buzzted Reading Time: 5 mins. Oct 25, Spirea shrubs respond well to pruning. In the spring, after the first blooms are spent, cut the dead flowers back by trimming spirea’s stem tips back to the topmost leaf on each stem.
Throughout the summer, the plants shape can be maintained by cutting back overgrown spirea shoots or stems as well as any dead or diseased branches. Mar 02, 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. How do I prune a spirea bush? BrightView Horticulturist Scott Kopitskie explains how to properly prune a spirea to increase the plant's bloom and control its size. Related Videos. How can I make my poinsettia last during the holiday season? Which fall flowers should I. Jun 23, You should consider carrying out a more severe pruning, which is known as rejuvenation pruning.
This pruning can be carried out in two different ways, one with a long-term renewal and another more immediate. Case 1: Rejuvenation in three years. As the title indicates, we will schedule the renewal with the pruning of the spirea for three years.