can i cut overgrown lilacs now in Iowa?
15 foot tall with smaller shoots -- want to cut large wood out
Certified GKH Gardening Expert
It is best to cut them right after flowering. Just don't wait too late, when the new flowering buds are developing. This article will help: https://www.gardeningknowhow.com/ornamental/shrubs/lilac/pruning-lilac-bushes-when-to-trim-lilac-bushes.htm