Hardy Native Herbaceous Perennial, usually of grassland and open woodland; with whorls of bright red - purple flowers on tall, bristly stems above bold, toothed, spear shaped foliage in June to October.
Height x Spread:
24 in (60 cm) x 18 in (45 cm)
Very attractive to Bees; it is also a food plant of the Small Magpie moth caterpillar.
Was widely used in herbal medicine to ward off various evils; was thought to give protection against dragons.