How to Propagate copper lily?
Propagate by division in early spring or early autumn. Propagate from seed (indoors or outdoors) in autumn or spring

copper lily · Hemerocallis dumortieri
Grow in fertile, moist but well-drained soil preferably in full sun. Flowering is likely to be poor in shadier situations. Tolerant of heavy clay and poorer soils. May need watering in spring to early summer in dry conditions to ensure flowering. See Hemerocallis cultivation for details
Propagate by division in early spring or early autumn. Propagate from seed (indoors or outdoors) in autumn or spring