Yarrow

By tjohnson , 13 June, 2026

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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