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. Jun 19, The best time for pruning older lilac bushes is right after their flowering has ceased.
This allows new shoots time to develop the next season of blooms. Pruning too late can kill young developing buds.
Deadheading, should be done as soon as possible after the flowers fade. The old flower cluster should be cut off at its base- just above the two new shoots that Estimated Reading Time: 3 mins. Jan 06, Pruning is not important for the first 5 to 6 years of a young lilacs life. It can be an important step to lilac recovery if winter damage has occurred.
Wait until the plant has bloomed before you make any cuts to avoid removing the flowers.
Jul 08, There are two approaches you can take. The less drastic approach to getting an overgrown lilac back into shape is to use the third rule. Prune a third of the oldest branches all the way to the ground each year for three consecutive years.
1. Most lilacs survive whether or not they are trimmed, but pruning them on a regular basis helps to keep them at their best. To get the most flowers from a lilac bush, prune it.