Cut the branches away from the trunk using a pair.

Jun 03, Another way to start getting rid of lilac bushes is to use chemicals. Your first step in removing old lilac bushes this way is to cut the bushes to ground level with a chainsaw. Burn or dispose of all of the foliage. The second step in getting rid of lilac bushes with chemicals is to apply herbicide containing Glyphosate.

When you put this chemical on open cuts on the lilac stumps, it will kill the roots. Jul 21, Dig around the base of the lilac bush using a shovel or spade. The goal is to expose as many of the roots as possible within 2 or 3 feet of the trunk.

2. What Do You Use to Kill Lilac Bush Roots? Root Growth. Lilacs are deciduous shrubs that thrive in a variety of soils and climates. These hardy shrubs reach a Mechanical Removal. The first step in removing a lilac is to cut down the exposed portions of the plant. Depending on Chemical. Apr 02, How to Prune Lilac Bushes.

You may be able to cut down all nuisance portions of a lilac bush without needing to remove it entirely.

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. Aug 27, Implement renewal pruning and proper plant care (watering, mulching, fertilizing) to help the plant recover. Keep an eye on the plant in the season for signs of permanent damage and the possibility the plant may need to be replaced.

Possible replacements for lilac can be found in the Plant Elements of Design plant database.

Remaining root tissue may produce suckers in the next growing season.

To remove a lilac, cut it down close to the ground, and paint the stump with a broad spectrum herbicide shortly after the cut is made. You can also dig up the entire root ball if chemical solutions. Sep 03, Still using a shovel to get rid of those overgrown bushes? Then you need to check this technique out!