The leaves and flowers of this herb, steamed or stewed, are a traditional food of country folk. As with Marsh Mallow, the fresh or dried leaves and flowers make a tea which is used for treating sore throat or other upper respiratory infections. Sow in spring or summer, in flats or directly in the garden. Transplant to 2 foot spacing. Prefers moist, rich soil and full sun.
Flowers are a showy purple, with dark veins.
Grows to 3 feet tall.