How to Prune iris 'Flirting Again'?
Remove any dying foliage in autumn, old flower stems can be cut down after flowering

iris 'Flirting Again' · Iris 'Flirting Again'
Grow in well-drained neutral to alkaline in full sun; acid soils tolerated if reliably moist
Remove any dying foliage in autumn, old flower stems can be cut down after flowering