Lilac Bushes

We’ve Moved Into a Property With a 75 Yr Old Lilac Bush

Zone 5 | yret added on August 6, 2012 | Answered

Can we trim it? We would like to trim it back some so we can build next to it but do not want to harm it in any way. I've heard that trimming into these very old bushes can cause damage and keep them from regrowing. Please help. We're under a time crunch.

A.Answers to this queston: Add Answer
Certified GKH Gardening Expert
Answered on August 7, 2012

Yes, you can trim it. However, I would not prune it back by more than 1/3 in any one year. Cutting it back further than that could harm the plant. This article should help with that:

Was this answer useful?

Answered on August 6, 2012

I trim mine back every year. I wouldn't get too severe, but cutting it back actually is good for it. It promotes new growth which will promote more blossoms.

Was this answer useful?

Answered on August 6, 2012

I can't kill mine. I have trimed it to the soil level. It apparently produces suckers and I plan to dig up the roots to get rid of the plant.

Was this answer useful?

Log in or sign up to help answer this question.
Did you find this helpful? Share it with your friends!

You must be logged into your account to answer a question.

If you don't have an account sign up for an account now.

Looking for more?
here are more questions about...
Lilac Bushes
Join Us - Sign up to get all the latest gardening tips!

Learn From
Your Peers on
Our Blog

Visit Our Blog

Do you know a lot about gardening?
Become a GKH Gardening Expert

Learn More