How to Prune Iris 'Cimarron Strip'?
Remove spent flower stems in summer, and any dying foliage in autumn

Iris 'Cimarron Strip' · Iris 'Cimarron Strip'
Thrives in a sunny position, in neutral to slightly acid soil with good drainage. Plant rhizomes just above soil level, as sun on the rhizomes encourages flowering. See bearded iris cultivation
Remove spent flower stems in summer, and any dying foliage in autumn