Pruning summer-flowering shrubs
In March/April, pruning shears are used on summer-blooming ornamental shrubs. You may be wondering why? A gentle pruning encourages the shrubs to produce many new shoots, which will later bloom. So, those who are diligent in their pruning training will be rewarded with abundant blooms and a strong, compact growth.

How much must be removed?
For buddleia, panicle hydrangea, beard flower, blue rue, St. John's wort bush, the shoots from the previous year are cut back heavily to 5-10 cm.
Please only thin out here!
If some ornamental shrubs such as Deutzia, Plumbush, Serviceberry, Kolkwitzia, Astilbe, Snowball and Weigela are already a few years old, they need to be thinned out.
This involves cutting off about one-third of the oldest main shoots close to the ground. Old shoots are recognizable by their rough, often furrowed bark. They are removed to make room for the young, flowering shoots with smooth bark.