Yarrow
Scientific Name: Achillea millefolium
Botanical and Historical Origin
Native to temperate regions of the Northern Hemisphere in Europe, Asia, and North America. Named after the Greek hero Achilles, who is said to have used it for his soldiers' wounds.
Evolution of Historical Use
Known since the Neanderthal era (pollen found in Shanidar caves). In the Middle Ages, it was used in 'Gruit' beer before hops. Colonial Americans used it for 'breakbone fever'.
Traditional Cultivation and Harvesting
Extremely hardy perennial. Prefers well-drained soil and full sun. Traditionally harvested when in full flower, dried in bundles away from direct sunlight.
Historical Medicinal Profile
Historical Internal Use
fever reduction, digestive bitters
Historical External Use
wound healing, styptic (stopping bleeding)
Safety and Modern Toxicology
May cause allergic skin reactions (asteraceae family). Avoid in pregnancy.
Circular Codex References
This ingredient is also documented in our livestock-focused Plant Codex, where you can find detailed information on its identification, veterinary safety, and farmstead management.
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