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Common Name: Dan Shen

General Information

Salvia multiorrhiza is a perennial plant that can grow up to 0.60 metres tall.
It has medicinal uses.

Known Hazards

None known

Botanical References

Range

E. Asia - N.E. China.

Habitat

Light woodland and clearings[]. Sunny sides of hills and stream edges[].

Properties

Medicinal Rating
Habit	Perennial
Height	0.60 m
Pollinators	Bees
Cultivation Status	Wild

Cultivation Details

Requires a very well-drained light sandy soil in a sunny position[]. Prefers a rich soil[]. Plants can be killed by excessive winter wet[].
Members of this genus are rarely if ever troubled by browsing deer[].

Edible Uses

None known

Medicinal

Dan Shen has long been used in Chinese medicine and recent research has confirmed the validity of its use in the treatment of heart and circulatory problems[].
The root is adaptogen, alterative, anticholesterolemic, antirheumatic, antiseptic, antispasmodic, astringent, emmenagogue, hepatic, sedative, tonic and vulnerary[, , , ]. It acts mainly on the heart energy, removing excess heat and clearing stagnation[]. Its use improves the micro-circulation, increases blood flow to the coronary artery, improves myocardial contraction and adjusts the heart rate[]. It has an antibacterial action, inhibiting the growth of Pseudomonas, E. coli, Vibrio Proteus, Bacillus typhi, Shigella dysenteriae, Shigella flexneri, Staphylococcus aureus etc[]. It is used internally in the treatment of coronary heart disease, poor circulation, palpitations, irritability, insomnia, breast abscesses, mastitis, ulcers, boils, sores, bruises, menstrual problems and post-natal pains[]. 'Praised for its alleged medicinal qualities, including a cure for cancer'[]. The roots are harvested in the autumn and early winter and are dried for later use[].

Other Uses

None known

Propagation

Seed - sow early to mid spring in a greenhouse[]. Germination usually takes place within 2 weeks. Prick out the seedlings into individual pots when they are large enough to handle and plant them out in early summer. In areas where the plant is towards the limits of its hardiness, it is best to grow the plants on in a greenhouse for their first winter and plant them out in late spring of the following year.
Cuttings of half-ripe wood succeed at almost any time in the growing season[].