Herbier des Anciens — Detailed GuideFR · EN

American Hazelnut

Corylus americana
Read before use: the information below describes traditional and informational uses — it does not replace the advice of a healthcare professional. In case of doubt, pregnancy, breastfeeding, ongoing treatment, or use in children, seek advice before use.
Enhanced precautions for this plant: Traditional uses of the root are poorly documented in precise terms; caution is advised regarding quantities and frequency of use. Not recommended without advice from a healthcare professional in pregnant or breastfeeding women, due to traditional use mentioned for women's health. Do not use in children without prior medical advice. If taking medication, consult a healthcare professional before any internal use.
Decoction — Root

Root decoction for external use

Boil pieces of dried root in water for about fifteen minutes, then allow to cool before using the filtered liquid as a wash or compress on the skin. This preparation was traditionally reserved for external use. Dosage should be validated with a healthcare professional or recognized pharmacopoeia before use.

Decoction — Root

Root decoction for internal use

The dried root was gently boiled in water then consumed in small quantities according to reported traditions. This preparation, less well documented and potentially presenting risks, should only be considered after advice from a healthcare professional or experienced herbalist. Dosage should be validated with a healthcare professional or recognized pharmacopoeia before use.

Where to find it

Obtaining the plant

American Hazelnut can still be found in the wild in the undergrowth and hedgerows of eastern United States and Canada; in France, it remains rare and is mostly found at specialized herbalists or botanical collections.

Harvest season

When to harvest

Roots are traditionally harvested in autumn or early spring, when the sap is most concentrated.

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