How to Prune iris 'Terre à Silex'?
Remove any dying foliage in autumn, old flower stems can be cut down after flowering. Trim back foliage by half to prevent wind rock while the roots establish

iris 'Terre à Silex' · Iris 'Terre à Silex'
Grow in moist but well-drained soil in full sun or part shade. See bearded iris cultivation
Remove any dying foliage in autumn, old flower stems can be cut down after flowering. Trim back foliage by half to prevent wind rock while the roots establish