Herbarium of the Ancients — Detailed Record

Astragalus canadensis

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 professional guidance before use.

Enhanced precautions for this plant: The Astragalus genus includes toxic species (accumulating selenium or locoweed alkaloids); rigorous botanical identification is essential before any harvesting or use. Use not recommended in pregnant or breastfeeding women, due to insufficient safety data. Possible interactions with immunomodulatory or anticoagulant treatments; consult a healthcare professional if undergoing treatment. Avoid prolonged self-prescription; reserve use for occasional and supervised preparation.

Decoction — Root

Root decoction

The dried and cut root is gently boiled for about fifteen minutes, then left to steep off the heat. This preparation was consumed in small quantities, occasionally, as a traditional tonic. Dosage should be validated with a healthcare professional or recognized pharmacopoeia before use.

Infusion — Leaves

Leaf infusion

The dried leaves are steeped for a few minutes in simmering water. This light tisane was used traditionally and occasionally, without established regular use. Dosage should be validated with a healthcare professional or recognized pharmacopoeia before use.

Where to find it

Obtaining the plant

This astragalus grows wild in the prairies and woodland edges of North America; it remains rare in European commerce and is mainly found through rare herbalist shops specializing in North American plants.

Harvest season

When to harvest

The root is traditionally harvested in autumn, once the plant has reached maturity, while the leaves are gathered in summer, before full flowering.

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