How to Prune Clematis 'Skyfall'?
Cut back hard before growth begins in early spring. See clematis pruning: group three

Clematis 'Skyfall' · Clematis 'Skyfall'
Plant with the top of the root ball about 8cm below the soil surface, in a moisture-retentive, well-drained soil. Position in sun or part shade, with the roots and base of the plant kept cool and shaded by other plants or a layer of pebbles at the base. See clematis cultivation for more advice
Cut back hard before growth begins in early spring. See clematis pruning: group three