How to Prune Siberian iris 'Simple Gifts'?
Remove any dying foliage in autumn; old flower stems may be cut down after flowering

Siberian iris 'Simple Gifts' · Iris 'Simple Gifts'
Grow in any good garden soil that is preferably moist but not waterlogged; in drier soils, dig in well-rotted organic matter before planting then apply as a mulch each spring
Remove any dying foliage in autumn; old flower stems may be cut down after flowering