How to Prune clematis 'William Kennett'?
See clematis pruning: group two

clematis 'William Kennett' · Clematis 'William Kennett'
Plant in moisture-retentive, well-drained soil, with the roots and base of the plant kept cool and shaded by other plants or a layer of pebbles at the base. Plant with the crown 5-8cm deep to encourage new shoots to grow from below ground level. Ideal for a pergola, arch, large obelisk or trellis. See clematis cultivation
See clematis pruning: group two