[Overview]
A perennial with tubers.
The leaves are basal, linear or thread-like, and the fibers of dead leaves often remain at the base of the plant in a net-like form.
A raceme emerges at the tip of a flower stalk 0.5–1 m tall and bears many flowers densely.
The flowers have 6 petals and are yellow, white, pink or orange.
There are 6 stamens, and the filaments are hairless.
The fruit is a capsule.
[Cultivation]
Propagate from seed or by division; plants grown from seed take 3–4 years to flower.
In areas without frost it can overwinter outdoors, tolerating temperatures down to about –5°C.
It prefers a sunny, well-drained place.
It is tolerant of dryness and susceptible to excess moisture.
During the growing period, water when the soil surface dries, and withhold water during dormancy.
Fertilizer can be sparing; for potted plants, watching how the plant grows, apply a small amount of slow-release fertilizer placed on the soil in autumn.
There are no particular pests or diseases.
