Apr 02, How to Prune Lilac Bushes. When pruning lilacs, cutting back the tops of overgrown stems is oftentimes not enough. It is generally better to cut the entire stem. Trimming lilacs is best accomplished using clippers. Remove spent blooms all the way to the stems to prevent seeding and encourage more blooms later on. Cut back about a third of the branches.
May 01, To ensure abundant flowering, cut off all spent blossoms each year and prune the flowering stem back to a set of leaves, thus preventing seed formation. If this is not done, good flowering years may be followed by bad years. Since flower buds are formed the summer before they bloom, winter pruning will remove them. 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. My lilac bush is near full bloom and I would love to cut some flowers to enjoy the sight & scent inside.
We planted the bush 6 yrs. ago and it is full and healthy. I've never cut the flowers and don't want to damage the bush. If you think it's okay to do, can you tell me the best way to cut them.