Propagation
Divide offsets from bulbs from established plants. Replant the bulbs from mid to late summer.20 -40 mm (1⅝ in) deep and space 80-150mm (6 in) apart. Leave the bulbs undisturbed for 4-5 years. 

Botanic information
Leaf: The long dark green linear leaves are strap-like and appear after the flowering period.

Flower: The crimson to white funnelform flowers have ribbed petals that are reflexed with undulating margins and the protruding stamens are up to 40mm (1⅝in) long. There are up to 12 flowers arranged in a terminal umbel that is held above the foliage on a tall scape and appear during autumn.

Fruit: The rounded green capsule is arranged in groups of 3 and contains numerous small seeds. The small seeds are viable but the plant is commonly reproduced vegetatively, to maintain true to type.