From a nursery of the same name in Wales, where it was discovered as a chance seedling. Striking dusky dark violet flowers from spring to early summer and then later in the year if cut back. Clump forming and non-invasive.
Height and spread: 60cm x 60cm
As seen from the common names, it has long been used as a herbal cure, edible vegetable and animal fodder. It has also been used as a compost maker and plant food. An early use was in setting bones, the roots being ground to a paste and used in the way plaster of Paris is used today. The name comfrey comes from the Latin 'Conferre', meaning to bring together. Symphytum comes from the Greek 'Symphyo' - to make whole. All are useful for shady positions, although they will also grow in sun, preferring some moisture.
Common name(s): Comfrey, Knitbone, Boneset, Bruisewort, Pigweed.