Don't be fooled by this Old Man's Beard's subtle colours; Clematis 'Proteus' is one of the most impressive hardy climbers available. It produces double, pale pink blooms in June and July, and single flowers in the early autumn. This compact Clematis will flourish even in shady spots or up north facing walls and fences. Height: 3m (9'11); Spread: 1m (3'3); Pruning group: 2.