Literally an edible addition to the plant border. The flower buds are edible and aid digestion, if left they will produce showy purple flowers, which attract butterflies and bees. Height 200 cm. spread 100 cm.
Leaves have peppery flavour. Used in Italian dishes. Grow in full sun in poor fertile soil with good drainage. Cut back old shoots in Spring. Pink flowers from July-September. Height 40 cm