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

iris 'Robin Goodfellow' · Iris 'Robin Goodfellow'
Grow in well-drained, fertile, neutral to slightly acid loam in full sun. See bearded iris cultivation
Remove any dying foliage in autumn, old flower stems can be cut down after flowering