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

iris 'Handshake' · Iris 'Handshake'
Plant rhizomes just above soil level. Thrives in a sunny position, in ideally neutral soil with good drainage. See bearded iris cultivation
Remove any dying foliage in autumn, old flower stems can be cut down after flowering