However, I'm hoping that there is an easier way to prevent these plants from regrowing.

Jun 03, 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.

Rabbits, squirrels and other small animals may gnaw the bark off lilac trunks and branches, girdling the tree and increasing the risk of bacterial or fungal infection, especially in cold weather.

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. Nov 11, Cut the lilac stump as close to the ground as possible.

The more tall, narrow branches you have to grind, the more the grinder will jump.

Terms and Rules.

Dig out the decomposed lilac stump with a sturdy spade after six months to two years of decomposition. 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 Remove.

Jul 08, If you have access to a tractor, or even a come-a-long, tie a strap around the base of the lilac, put some tension on it, and start whacking the roots on the opposite side. Keep adding tension as you cut the roots, and eventually it will pop out of the ground.