How to Prune clematis 'Voluceau'?
Pruning (clematis) group 3

clematis 'Voluceau' · Clematis 'Voluceau'
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. Plant with the crown 5-8cm (2-3in) deep to encourage new shoots to grow from below ground level. See clematis cultivation for more advice
Pruning (clematis) group 3