Deutsch: Flieder schneiden.
Sep 21, Prune for height and spread in the late spring or early summer immediately following bloom. Prune following the natural shape of the shrub and only remove what is necessary to prevent when your Meyer Lilac from encroaching on other plants or a structure. Jun 21, Another reason why all lilacs fail to bloom is too much shade. And the final reason is pruning at the wrong time.
Lilacs should be pruned right after bloom.
Now I know yours have never bloomed, but if you’re pruning in the spring, for example, or even right before dormancy in winter, you’re cutting off what would be next year’s bushlopping.barted Reading Time: 3 mins. 10 years ago. I have three beautiful Dwarf Korean Lilac Trees (not shrubs) which have trunks about 5 inches in diameter and crowns up to 7 feet in diameter. A local landscaper said I should trim them back in the Fall using a hedge trimmer to shape it, i.e., pay no attention to branch structure.
If you are diligent with annual pruning of your lilac, the shrub will grow to about 8 feet tall with flowers throughout the branches.
However, everything I've read says to wait until after they flower in June to cut them back, but they were talking about shrubs. Jul 08, Start by taking out the thickest stems first. Although you'll be losing some flowers for the current year, pruning overgrown lilacs is easiest early in the spring before the branches leaf out.
After three consecutive years of pruning your overgrown lilac. Apr 02, Most lilacs don’t require pruning until they reach about 6 to 8 feet ( m.) tall. The best time for pruning lilac bushes is right after their flowering has ceased. This allows new shoots plenty of time to develop the next season of blooms.
Pruning lilacs too late can kill young developing buds. If you are pruning lilac trees or shrubs entirely to within inches of the ground, it is best to do so in early spring.
Fertilize the plant with compost or a balanced fertilizer to prompt new growth.
Just be sure if pruning after bloom to not prune past mid-summer. This will allow time for the wounds to heal before winter, and any newgrowth that might be stimulated should harden properly before winter. Make sure your pruning tool blades are sharp, to avoid tearing stemtissue which wont heal properly.