Japanese name: ミズカンナ Scientific name:Thalia dealbata
[Overview]
A perennial growing in marshes and shallow water, reaching as much as 3 m tall.
It has a short rhizome.
The whole plant is covered with a white powder.
The leaves are simple and basal, elliptic to lanceolate, 30–60 cm long and 15–20 cm wide, firm in texture, with entire margins.
The leaf stalk is about 1 m long.
A spike about 20 cm long emerges at the tip of the flower stalk and bears about 10–30 flowers.
The petal-like staminodes, colored purple, are conspicuous in the flowers.
The bracts are heavily covered with white powder.
The fruit is a round capsule.
[Cultivation]
Propagate from seed or by division.
It can overwinter outdoors in warm regions where frost does not fall.
It prefers a sunny location.