Jul 25, 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. Aug 21, If you want to prune your lilac to reshape it or to reduce its height, you could do it now, but it would be better to wait until spring. You see, if you prune in August, the lilac may produce new shoots that won’t have the time to harden off properly (prepare for winter) and they could be damaged by winter cold, obliging you to prune again in the treegrind.barted Reading Time: 2 mins.
Apr 02, When to Trim Lilac Bushes. Knowing when to trim lilac bushes is important. 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.
A pleasant summer during which healthy new growth develops will reward you with abundant blooms the following year.
Pruning lilacs too late can kill young developing buds. If you are pruning lilac trees. Lilac trees that are over three years old can safely have these removed as close to the ground as possible. Do this from mid-June onwards. For new lilac trees in their first year, remove all the forming flower buds before they start to bloom.
This is usually around the first week of treegrind.barted Reading Time: 6 mins. Jul 08, The time to prune mature lilac plants is just after the flowers have faded in the spring.
It is important to be aware that hard pruning of the common lilac could result in a long recovery period where the plant fails to bloom.
Lilacs set next season's flower buds almost immediately, so late pruning will mean sacrificing the next year's flowers. 1 Pruning early also gives new shoots more time and energy to develop, ensuring plenty of blooms for the following spring.