When to prune spirea exactly?
Nov 30, BrightView Horticulturist Scott Kopitskie explains how to properly prune a spirea to increase the plant's bloom and control its size. Jun 23, There are several tools that you will need to perform your pruning or trimming of a spirea.
Each of them is appropriate for different cases depending on age, time of year, type of pruning, etc. Hand Pruning Shears: Stems up to half inch in diameter can be pruned with hand shrublopping.clubted Reading Time: 8 mins. Oct 30, Prune your old, woody spirea. If your spirea is old, dense and woody then you can renew it with a vigorous pruning.
One third of all the woody old trunks should be pruned right back to ground level. If you do this for three years in a row, the plant will be reinvigorated with good, fresh shrublopping.club: 54K. The Best Time to Prune Spirea Most of the varieties of spirea can be pruned after their blossoms. It is seldom to trim them during the spring season, but there are some that should be strictly pruned at that time only. The ones mentioned above are examples of this shrub that require pruning on or before the month of June ends.
Nov 28, The rejuvenation pruning should take place in the spring or early summer so the shrub has a chance to harden off the new growth before winter temperatures cause damage.
Prior to pruning. Prune spring-flowering spiraea after the bush finishes blooming in late spring or early summer. Cut it back by up to a third of the plant's previous size, removing the old flowering branches back.