Clematis 39prince charles39 produces an abundance of semi nodding pale mauve flowers with a lovely satin sheen from june to september this reliable and free flowering variety has a compact yet vigorous habit making it ideal for covering walls and fences scaling free standing obelisks or growing in borders and containers this easy to maintain viticella clematis holds an rhs agm for its outstanding garden performance height 3m 40103941 spread 1m 4033941 pruning