Considered one of the best evergreen plants for a small garden ... clematis are evergreen but some – such as clematis armandii and clematis cirrhosa – are,' says Morris Hankinson, director ...

Our experts share our tried-and-tested varieties, advice about where to grow clematis, including in pots, plus how and when to prune. Preferably buy plants in 2-3L pots and plant at any time of year ...

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.