Perennial herb with grey leaves and small white flowers. Long used as a vermifuge for animals, and considered to aid digestion, soothe sore throats, and relieve inflammation. Cough and cold remedies can be made in lozenge or tea form. Very attractive to bees and said to repel flies and be a good companion for tomatoes. Full sun, any soil, very drought tolerant. Height to 60cm. Certified organic plant.