Dan Shen

Salvia multiorrhiza

Physical Characteristics

Salvia multiorrhiza is a PERENNIAL growing to 0.6 m (2ft) by 0.3 m (1ft in). See above for USDA hardiness. It is hardy to UK zone 6. It is in flower from June to September. The species is hermaphrodite (has both male and female organs) and is pollinated by Bees. Suitable for: light (sandy) and medium (loamy) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It cannot grow in the shade. It prefers dry or moist soil.

Distribution

E. Asia - N.E. China.

Habitats

Woodland Garden Sunny Edge;

Edible Uses

Edible Parts: Seed Edible Uses: None known

Medicinal Uses

Adaptogen Alterative Anticholesterolemic Antirheumatic Antiseptic Antispasmodic Astringent Cancer Emmenagogue Hepatic Sedative Tonic Vulnerary 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[254]. The root is adaptogen, alterative, anticholesterolemic, antirheumatic, antiseptic, antispasmodic, astringent, emmenagogue, hepatic, sedative, tonic and vulnerary[147, 176, 178, 218]. It acts mainly on the heart energy, removing excess heat and clearing stagnation[238]. Its use improves the micro-circulation, increases blood flow to the coronary artery, improves myocardial contraction and adjusts the heart rate[176]. It has an antibacterial action, inhibiting the growth of Pseudomonas, E. coli, Vibrio Proteus, Bacillus typhi, Shigella dysenteriae, Shigella flexneri, Staphylococcus aureus etc[176]. 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[238]. 'Praised for its alleged medicinal qualities, including a cure for cancer'[187]. The roots are harvested in the autumn and early winter and are dried for later use[238].

Known Hazards

None known