Oct 25, How to Prune Spirea Bushes. 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.
Mar 02, You should actually prune your spirea more than once a year, at least twice. Give it a good trim after it flowers in the spring by cutting back the tips of the stems to the top leaf bud.
This removes the dead blossoms and also may trigger a second blooming and new leaf growth. Jun 23, As the title indicates, we will schedule the renewal with the pruning of the spirea for three years. In the first pruning, remove the large, old branches from the ground level and leave the branches young and vigorous. At the beginning of the second and third growing seasons, you should also cut back the water sprouts or suckers that bushfall.buzzted Reading Time: 9 mins.
Cut it back by up to a third of the plant's previous size, removing the old flowering branches back to a healthy bud or the basal growth. These varieties do not bloom again on the old. Mar 19, These types should not be pruned to shape until after they are done blooming. If you are wanting to completely rejuvenate them, then cut them down to 6 inches tall in late winter (February or March).
If you desire to have the blooms, wait to prune them, then cut back by one-third to two-thirds. Spirea White, includes Bridal Wreath, Snow White, Snowmound, Fairy Queen and Thor Birchleaf. Not Japanese White, see pink spirea. Prune these spring flowering shrubs soon after they have bloomed. Top prune the plant to improve the shape and reduce its size but, be careful not to remove more than 30% of the top growth. Some summer pruning can. May 03, Cut out about a third of the old, thick wood to the base (you may need a pruning saw for this job, or loppers may be strong enough).
This will open up the shrubs a lot and make it easier to see what else needs to be removed. Any dead, diseased or crossing branches should come out as well.
Prune these shrubs in early spring before they leaf out. Remove 50% to 75% of the top of the shrub maintaining a mounded form. Remove the heaviest canes all the way to the ground.