How to Propagate stinking iris?
Propagate by seed sown in pots in a cold frame in autumn or spring. Propagate by division of rhizomes from midsummer to early autumn

stinking iris · Iris foetidissima
Also known as: blue seggin; gladden; gladdon; gladwin; gladwyn; roast beef plant; scarlet-seeded iris; stinking gladwin; stinking gladwyn
Grow in well-drained, neutral to slightly acid loam but will tolerate most soils in full sun, partial shade or shade
Propagate by seed sown in pots in a cold frame in autumn or spring. Propagate by division of rhizomes from midsummer to early autumn