Propagation
Sow fresh seeds when ripe in containers and place in a cold frame.  Germination normally occurs during spring.
Division of the rhizome for beardless species during spring, when the new growth begins.

Note:
All parts of the plant if ingested will cause severe stomach upset.

Botanic information
Leaf: The dark green broad linear to lanceolate leaves are ribbed and arranged in a fan pattern at the base.

Flower: The flattish crateriform flowers have a perianth tube that is up to 100mm (4 in) long with blue purplish petals with darker veins and some blotches. The almost orbicular falls are up to 50 mm (2in) long and have a white crest. There are 2 to 3 flowers arranged on a branched stem that is held above the foliage and appears during spring.

Fruit: The small 3 to 6 angular leathery capsule contains numerous seeds that are viable but the plant is commonly reproduced vegetatively to maintain true to type.