How to Prune Iris 'Harriette Halloway'?
Cut back old flower stems after flowering and remove dying foliage in autumn

Iris 'Harriette Halloway' · Iris 'Harriette Halloway'
Plant rhizomes just above soil level. Thrives in a sunny position, in ideally neutral soil with good drainage. See bearded iris cultivation
Cut back old flower stems after flowering and remove dying foliage in autumn