How to Prune iris 'Orange Caper'?
Cut down old flower stems after flowering, and remove any dying foliage in autumn

iris 'Orange Caper' · Iris 'Orange Caper'
Plant in full sun in well-drained soil, with the top surfaces of the rhizomes exposed so that they get baked in summer sun, which encourages flowering
Cut down old flower stems after flowering, and remove any dying foliage in autumn