How to Prune Lilium 'Royal Sunset'?
Deadhead after flowering. Cut back stems when foliage dies down

Lilium 'Royal Sunset' · Lilium 'Royal Sunset'
Grow in well-drained soil enriched with leaf mould or well-rotted organic matter. Ideally, grow in full sun with the base of the plant in shade. Suitable for containers, see growing lilies for more advice
Deadhead after flowering. Cut back stems when foliage dies down