Horehound
Scientific Name: Marrubium vulgare
Botanical and Historical Origin
Native to Europe, North Africa, and Asia. Naturalized widely in North America.
Evolution of Historical Use
Named after the Egyptian god of the sky, Horus. For over 2,000 years, it has been the primary botanical for cough drops and respiratory syrups.
Traditional Cultivation and Harvesting
Hardy perennial in the mint family. Prefers poor, sandy soil and dry conditions. Harvest the flowering tops in mid-summer.
Historical Medicinal Profile
Historical Internal Use
expectorant, wet coughs, bronchial congestion
Historical External Use
wound cleansing
Safety and Modern Toxicology
Large internal doses may act as a purgative.
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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