How to Prune Ligularia dentata 'Othello'?
No pruning required. Cut down withered stems in winter/early spring

Ligularia dentata 'Othello' · Ligularia dentata 'Othello'
Grow in moderately fertile, deep, reliably moist soil, in full sun with some midday shade. Shelter from strong winds.
No pruning required. Cut down withered stems in winter/early spring