Kahli ginger | Hedychium gardnerianum
Most species of this genus of the Zyngiberaceae family are native to China and Indonesia. These rhizomatous perennials are used as a culinary condiment, as a component in dyes and fragrances as well as for medicinal purposes. Only H. gardnerianum is available as a container plant. It grows up to 2 m (6 ft 6 in) high and the lanceolate leaves can be as long as 40 cm (16 in). The golden-yellow, fragrantare borne in late summer in terminal spikes. The stamens that protrude far out of the flowers are quite striking.
This plant needs a warm, sunny position where it is protected from the rain and wind in order to flower. During the growing and flowering season it needs regular watering. It will tolerate short periods of drought but not being. While growing it needs to be fed weekly. It does best in humus-rich enriched with compost. In winter it should be moved to a bright, dry place with a temperature of 10-15° C (50-59° F). It is propagated by division of the rhizomes.