Clematis are fabulous plants for providing vertical colour on walls, fences, ornamental obelisks and through the branches of trees and shrubs. For the best display you'll need to know when to prune.

Clematis cling to their supports naturall ... They'll need a wigwam of bamboo canes or an obelisk to climb up. Tie in the stems just after planting and then they'll cling on by themselves. The ...