Herbarium of the Ancients — Detailed Monograph

Asclepias viridiflora

Please read before use: the information below describes traditional and informational uses — it does not replace the advice of a healthcare professional. If in doubt, if pregnant, breastfeeding, undergoing treatment, or for use in children, seek advice before use.

Enhanced precautions for this plant: Milkweeds contain cardiotonic glycosides and other potentially toxic compounds; unsupervised use is not recommended. Internal consumption is strongly discouraged without the advice of a healthcare professional trained in medicinal plants. Avoid during pregnancy or breastfeeding, as well as in children, in the absence of sufficient safety data. Do not confuse with other Asclepias species, whose toxicity varies greatly; rigorous botanical identification is essential.

Decoction — Root

Traditional root decoction

The dried and cut root was traditionally simmered gently in water. This preparation, documented in certain Native American practices, requires professional advice before any use, due to the risks associated with the plant's active compounds. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.

Poultice — Root

Crushed root poultice

The fresh or rehydrated root was crushed and then applied directly to the affected area, for traditional external use purposes. Professional advice remains recommended in case of doubt about skin sensitivity. Dosage must be validated with a healthcare professional or recognized pharmacopoeia before use.

Where to find it

Sourcing the plant

Asclepias viridiflora grows wild in dry prairies and poor soils of North America; it is rarely cultivated and scarcely available in the European herbal trade. Its harvest mainly relies on local botanical knowledge, in its native territory.

Harvest season

When to harvest it

The root is traditionally harvested in autumn, once the plant has reached maturity and its reserves are concentrated underground.

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