Cornflower

Identity

Common Name

Cornflower

Scientific Name

Centaurea cyanus

Botanical Family

Asteraceae

Native Region

Europe and the Mediterranean

Cultivation Regions

Europe, Mediterranean, North America (ornamental)

Plant Parts Used

Flowers (petals)

Synonyms

Bachelor's Button, Bluebottle, Corn Bluet

Caffeine Level

Caffeine Free

A slender upright annual with narrow grey-green lance-shaped leaves and a single fringed bright blue thistle-like flower head with ruffled outer petals and a darker center; the petals are the part used.

Historical Background

Cornflower has been a beloved blue flower of European grain fields for centuries, gathered for gentle eye and digestive teas. Its ruffled blue petals are a favorite of botanical tea blends, lending color and a mild, floral cup.

Earliest recorded uses: European folk traditions for centuries; a beloved field flower and gentle eye-comfort herb.

Traditional Uses

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

Flavor & Aroma

Aroma: Floral, mild, slightly sweet, green

Tea Information

Research Summary

Cornflower has a long European tradition as a gentle eye and digestive herb. Clinical evidence is insufficient; it is not a treatment for eye disease, conjunctivitis, or any condition, though it remains a popular, beautiful tea ingredient.

Evidence levels reflect the currently available scientific literature and may change as new research emerges. Where evidence is limited or conflicting, this is stated plainly.

References & Sources