Moved.. Have large trellis full of clematis... Lots of dead stuff...few small blooms. Is it worth saving?
Certified GKH Gardening Expert
It likely needs regenerative pruning, and fertilizer. This article will help you to identify the type you have, and when to trim it: https://www.gardeningknowhow.com/ornamental/vines/clematis/pruning-clematis-vines.htm