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

iris 'Dark Aura' · Iris × robusta 'Dark Aura'
Grow in moist to wet, deep, humus-rich neutral to acid soil in sun or part shade, it thrives in the margins of ponds and ideal for a bog garden
Remove any dying foliage in autumn, old flower stems can be cut down after flowering