How to Propagate Colchicum bivonae?
Propagate by seed, sown in containers in an open frame as soon as it is ripe, or by removing cormlets when dormant in summer; for more advice, see bulb propagation

Colchicum bivonae · Colchicum bivonae
Using gloves to handle corms, plant 10cm deep in summer or early autumn in deep, fertile and well-drained but reasonably moist soil in an open site in full sun; for more advice, see bulb cultivation
Propagate by seed, sown in containers in an open frame as soon as it is ripe, or by removing cormlets when dormant in summer; for more advice, see bulb propagation