The leaves might be edible cooked as a potherb
There are no material uses listed for Swertia japonica.
The whole plant is bitter and stomachic
. It is used in the treatment of digestive disorders.
Seed - sow spring in temperatures not exceeding 10°c in a humus-rich medium
. When they are large enough to handle, prick the seedlings out into individual pots and plant them Tu in early summer.
Practical Plants is currently lacking information on propagation instructions of Swertia japonica. Help us fill in the blanks! Edit this page to add your knowledge.
We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors in many parts of this country. The plant is monocarpic, living for one to three years before flowering and dying after it flowers
. It is cultivated as a medicinal herb in China
.It requires a symbiotic relationship with soil bacteria
. The following notes are based on the general needs of the genus.
Succeeds in a moist humus-rich soil in damp light woodlands, streamsides or the bog garden
. Grows best in areas with cool summers
Problems, pests & diseases
Associations & Interactions
There are no interactions listed for Swertia japonica. Do you know of an interaction that should be listed here? edit this page to add it.
Polycultures & Guilds
There are no polycultures listed which include Swertia japonica.
This table shows all the data stored for this plant.
Material uses & Functions
Native Climate Zones
Adapted Climate Zones
Native Geographical Range
Root Zone Tendancy
? 1.01.1 Kunkel. G. Plants for Human Consumption. Koeltz Scientific Books ISBN 3874292169 (1984-00-00)
? 2.02.12.2 Kariyone. T. Atlas of Medicinal Plants. ()
? 3.03.13.2 Huxley. A. The New RHS Dictionary of Gardening. 1992. MacMillan Press ISBN 0-333-47494-5 (1992-00-00)
? 4.04.1 Ohwi. G. Flora of Japan. (English translation) Smithsonian Institution (1965-00-00)
? Bown. D. Encyclopaedia of Herbs and their Uses. Dorling Kindersley, London. ISBN 0-7513-020-31 (1995-00-00)