Aconitum Japonicum

Botanical Name : Aocnitum japonicum
Aconitum japonicum
A. j. subsp. ibukiense – A. j. subsp. japonicum – A. j. subsp. napiforme

Habitat : E. Asia – China: China – Liaoning, Japan – Hokkaido, Honshu, Kyushu, Shikoku; Korea.   Forests, forest margins, by streams at elevations of 500 – 1500 metres in Liaoning province.  Woodland Garden; Dappled Shade;

Aocnitum japonicum ia a herbaceous Perennial plant growing 2-3 ft by 1-2 ft. in clumps with stems up to 3 feet cloaked in finely divided foliage.Flowers atop the stems of gorgeous hooded blue flowers in late summer. Completely resistant to deer as all parts of the plant are poisonous if eaten. Be aware that all parts of the plant are extremely poisonous. Wear gloves when working with this plant. Avoid skin or oral contact with plant juices, and be particularly careful to cover up any open cuts or skin abrasions prior to entering garden areas. Grows best in part/open shade in moist, well-drained soil but not difficult.

It is in flower from August to October. The flowers are pollinated by Bees.Bloom color is blue and foilage is green.

The plant prefers light (sandy), medium (loamy) and heavy (clay) soils and can grow in heavy clay soil. The plant prefers acid, neutral and basic (alkaline) soils. It can grow in semi-shade (light woodland) or no shade. It requires moist soil.

Thrives in most soils and in the light shade of trees. Grows well in heavy clay soils. Prefers a moist soil in sun or semi-shade. Prefers a calcareous soil. A very ornamental plant, it grows well in open woodlands. Members of this genus seem to be immune to the predations of rabbits and deer. A greedy plant, inhibiting the growth of nearby species, especially legumes. Closely related to A. chinensis.

Seed – best sown as soon as it is ripe in a cold frame. The seed can be stratified and sown in spring but will then be slow to germinate. When large enough to handle, prick the seedlings out into individual pots and grow them on in a cold frame for their first winter. Plant them out in late spring or early summer. Division – best done in spring but it can also be done in autumn. Another report says that division is best carried out in the autumn or late winter because the plants come into growth very early in the year.

Medicinal Actions &  Uses

Analgesic; Antirheumatic.

This is a widely used herbal remedy in China, where it is cultivated for its root. The root is analgesic, antirheumatic, cardiotonic and stimulant. Used in the treatment of neuralgia. Use with caution, and only under the supervision of a qualified practitioner. The plant is very poisonous and should not be used internally.
Known Hazards : The whole plant is highly toxic – simple skin contact has caused numbness in some people.

Disclaimer:The information presented herein is intended for educational purposes only. Individual results may vary, and before using any supplements, it is always advisable to consult with your own health care provider.


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