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

iris 'Cameo Queen' · Iris 'Cameo Queen'
Grow in well-drained, preferably neutral to alkaline soil in full sun but acid soils are tolerated if well-drained
Remove any dying foliage in autumn, old flower stems can be cut down after flowering