Echinacea

At a Glance

Common name

Echinacea

Scientific name

Echinacea purpurea

Family

Asteraceae

Region

North America

Plant part

Root, Aerial parts (leaves and flowers)

Caffeine

Caffeine Free

Evidence

Conflicting

Safety review

Safety information on file

Botanical Description

A perennial 60–120 cm tall with sturdy stems, lance-shaped leaves, and large daisy-like flowers with drooping pink-purple petals around a bristly, dome-shaped orange-brown center. The root, leaves, and flowers are all used.

Also known as: Purple Coneflower, Eastern Purple Coneflower

Historical Background

Echinacea was a central medicinal plant of the Plains Indigenous peoples of North America, used for wounds, toothache, and infections. It entered American eclectic medicine in the late 19th century and became, and remains, one of the best-selling immune herbs in the West.

Earliest recorded uses: Documented use by Plains tribes including the Lakota, Cheyenne, and Pawnee; adopted by eclectic physicians after the 1870s.

Cultural significance: Echinacea represents one of the most successful transfers of Indigenous North American medicine into modern herbalism; it is the model 'immune herb' of contemporary wellness culture, though evidence for its effects is mixed.

Traditional Uses

These uses document historical traditions and do not imply proven effectiveness.

Flavor & Aroma

Aroma: Earthy, floral, slightly sharp

Tea Preparation

Modern Evidence

Echinacea is among the most studied immune herbs, but evidence for preventing or shortening colds is mixed. Some trials suggest a modest reduction in cold duration when taken at onset, while others find no benefit; preparations and species vary widely between studies. It is not a proven preventative and should not replace standard care.

Evidence levels describe the state of research for the traditional use discussed here, not a recommendation. Historical use does not imply effectiveness.