Hardy perennial medicinal herb which supports detoxification of the body and it may be used as a treatment for various kinds of skin disorders. The whole plant is alterative, anodyne, anti-inflammatory, diuretic, mildly purgative and stimulant. It is harvested as the plant comes into flower in the summer and can be dried for later use. A decoction is applied externally to sprains, swellings, burns, inflammations etc, and is said to be useful in treating chronic skin diseases, scrofulous sores and gangrene. The leaves can also be applied fresh or be made into an ointment. Internally, the plant is used in the treatment of chronic skin diseases (such as eczema and psoriasis), mastitis, swollen lymph nodes and poor circulation. It should not be prescribed for patients with heart conditions. The flowers also attract beneficial insects. Grows to a height of 1m. Likes clay soil and pefers some moisture. Sun or part shade. 9cm pot.