Get 2 styles of flowers for your money with Clematis 'Vyvyan Pennell'. In late May the season begins with 6 to 8 wide double flowered, almost frilly pompom style blooms in shades of lilac and mauve. Later in the season Clematis 'Vyvyan Pennell' puts on another show but this time with the more usual single Clematis flowers. Rich dark green foliage forms the backdrop to the attractive flowers making this variety the perfect candidate for the job of clothing a fence, pergola or trellis. Height: 3m (10'). Spread: 1m (3') Pruning group: 2.