Tansy
Scientific Name: Tanacetum vulgare
Botanical and Historical Origin
Temperate Europe and Asia.
Evolution of Historical Use
The transition of this material from a wild-crafted curiosity to a staple of the household medicine chest reflects the broader evolution of folk medicine and the sharing of knowledge across frontier communities.
Traditional Cultivation and Harvesting
Traditionally, this material was wild-harvested at the peak of its seasonal potency—often determined by local folklore or lunar cycles. In farmstead gardens, it was cultivated in rich, disturbed soils near the homestead for immediate access.
Historical Medicinal Profile
Historical Internal Use
worms, abortifacient (historical)
Historical External Use
insect repellant
Safety and Modern Toxicology
Contains toxic thujone. Fatal in small quantities. Avoid entirely.
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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