How to Prune Iris 'Blue Pigmy'?
No pruning required. Cut back stems after flowering finishes.

Iris 'Blue Pigmy' · Iris 'Blue Pigmy'
Grow in well-drained, acid to neutral soil in full sun. Leave thick rhizome roots exposed on the soil surface when planting. See border iris cultivation.
No pruning required. Cut back stems after flowering finishes.