The Temperate Database is in the process of being updated, with new records being added and old ones being checked and brought up to date where necessary. This record has not yet been checked and updated.
Isodon japonicus is a perennial plant that can grow up to 1.00 metres tall.
It is harvested from the wild for local use as a food and medicine
E. Asia - China, Japan, Korea.
Hills, thickets and valleys from sea level to 2100 metres[
We have almost no 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 most parts of this country. See the plants native habitat for ideas on the conditions it will require.
Young leaves - cooked[
The plant is antibacterial, antiinflammatory and anthelmintic[
]. It is used medicinally in the treatment of stomach cancer[
The whole plant contains various medicinally active compounds that have cytotoxic properties and are of potential use in the treatment of cancer[
Seed - we have no information on this species but suggest sowing the seed in a cold frame in the spring. Only just cover the seed. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in the cold frame for their first winter. Plant them out into their permanent positions in the spring.
Division in the spring might be possible.