January 12,

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. Pruning lilacs too late can kill young developing buds. 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  Start by taking out the thickest stems first.

For lilacs, the recommended method is generally to remove one third of the old wood each year immediately after flowering and shape the shrub over a number of seasons. Of course, you can prune in the fallif absolutely required. Click to see full answer. Correspondingly, when can you cut back lilac bushes? While I'd not hesitate to do rejuvenation pruning on a typical common lilac now, one that is grown in a tree form (single trunk rather than multiple stems/canes from the ground) should be treated a bit differently.

Too severe a pruning at this time of year might well jeopardize its future, specially in. Also, can I prune lilacs in the fall? For lilacs, the recommended method is generally to remove one third of the old wood each year immediately after flowering and shape the shrub over a number of seasons. Of course, you can prune in the fall if absolutely required. Secondly, what plants get cut back in the fall? Plants To Cut Back In Fall. Nov 18, The best time -- and only correct time, really -- to prune lilacs is just after blooming.

All shrubs fall into one of two categories; some, like many of the hydrangeas, bloom exclusively on new wood and can be pruned to the ground each fall if required. Others, such as lilacs, bloom only on old wood from the previous season. Thus, if you prune at any time other than immediately after flowering, you will cut off next year's bushnotch.barted Reading Time: 2 mins. tree debris disposal sites