The arch that my clematis is growing over is badly rusted and needs to be replaced. There are 2 Broughton Star clematis plants growing over it. I would have to cut off pretty much all the vines to replace the arch. Would this kill the plants?
Certified GKH Gardening Expert
No. This plant can be cut back vigorously, and is a part of yearly or biennial maintenance. This article will help you to know which you have, and when to prune it: https://www.gardeningknowhow.com/ornamental/vines/clematis/pruning-clematis-vines.htm