How to Fertilize Clematis 'Hania'?
Low nitrogen feed in spring, higher potash before flowering

Clematis 'Hania' · Clematis 'Hania'
Plant in a 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 shoots to grow from below ground level. Good for scrambling up trees in a naturalistic setting. See clematis cultivation
Low nitrogen feed in spring, higher potash before flowering