Mar 30, Shape the spirea during this rejuvenation pruning, also. Creating a professional-looking, rounded shrub is easy. Tie a rope around the middle of the spirea. Using sharp hedge shears, cut straight across the top of the bush. When the rope is removed, the bush pops back nicely rounded. Prune the bush throughout the year as bushclear.buzzted Reading Time: 5 mins. Mar 02, Tie a piece of rope around the center of the shrub.
Trim straight across the top of the plant, and when you release the rope you’ll have a perfectly rounded spirea. The two main trimming periods, in early spring and after blooming, are most important to do each year, but you can also trim your spirea as needed throughout any season.
Oct 25, Pruning spirea after a couple of years will rejuvenate the plant. The following article contains information on how to prune spirea along with other helpful tips for cutting back spirea shrubs. About Spirea Pruning. There are a number of spirea cultivars ranging in height from 2 to 3 feet ( cm.) tall up to 10 feet (3 m.) and the same across. BrightView Horticulturist Scott Kopitskie explains how to properly prune a spirea to increase the plant's bloom and control its size.
Nov 30, To get the best blooms, BrightView horticulturist Scott Kopitskie recommends giving your spirea a rejuvenation prune. Don't be afraid of damaging your shrub; it will grow back in time for the season.
Depending on your species of spirea, you can also lightly shear the stems for a second flush of flowers. Jun 23, I have already said several times, the spirea responds very well to pruning, which is why it can withstand a very severe pruning to reactivate its development. Rejuvenation pruning involves cutting back the entire top of the plant to the ground line. Many new shoots will grow from the base, and they will require thinning. 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. May 07, Spirea that’s not pruned or pruned to the ground each spring has a casual, loose habit.
In early spring, before the leaf buds start to swell, cut all of the stems down so they’re 4 to 6 in. tall. You can use pruning shears and cut one at a time or hedge clippers and simply cut them all off at once - it makes no difference. In a few weeks, new growth will sprout, creating a full dense plant that will.