YARROW (Achillea millifolium) Excerpted from: The Earthwise Herbal, A Complete Guide to New World Medicinal Plants By Matthew Wood “Yarrow is one of the primal remedies of the Western herbal tradition. It can be called the ‘master of the blood.’ Through numerous devices – clotting, unclotting, neurovascular control, flavonoids, etc. – it regulates the […]