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

Florentine iris · Iris 'Florentina'
Also known as: glaive lily; orrice root; orris root; fleur-de-lys
Grow in well-drained, fertile, neutral to slightly acid loam in full sun
Remove any dying foliage in autumn, old flower stems can be cut down after flowering