Pending editorial review. Names come from GBIF/POWO; growing details are a draft our editors are still verifying.

Centaurea cyanus — (c) Douglas Goldman, some rights reserved (CC BY-SA), uploaded by Douglas Goldman via iNaturalist · CC-BY-SA · source

(c) Douglas Goldman, some rights reserved (CC BY-SA), uploaded by Douglas Goldman via iNaturalist · CC-BY-SA · source

Plant encyclopedia

Centaurea cyanus L.

Cornflower · Asteraceae

Also known as Centaurea segetalis, Cyanus segetum, Setachna cyanus. Common names: Annual cornflower, Bachelor's button, Batchelor's-button, Blue bottle, Bluebottle.

Centaurea cyanus, commonly known as cornflower or bachelor's button, is an annual flowering plant in the family Asteraceae, native to Europe.

AsteraceaeAnnual

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About Cornflower

Centaurea cyanus, commonly known as cornflower or bachelor's button, is an annual flowering plant in the family Asteraceae, native to Europe. In the past it often grew as a weed in cornfields (in the broad sense of "corn", referring to grains, such as wheat, barley, rye, or oats), hence its name. It is now endangered in its native habitat by agricultural intensification, particularly over-use of herbicides, destroying its habitat. It is also, however, through introduction as...

Description adapted from Wikipedia, licensed CC BY-SA 4.0.

Growing & care

Growing guide coming soon. Our editors haven't written verified care details for this plant yet. Native range and classification are shown below.

Native range	Albania, Bulgaria, East Aegean Is., Greece, Italy, Lebanon-Syria, NW. Balkan Pen., Romania, Sicilia, Türkiye, Türkiye-in-Europe
Toxicity	Pets: Not documented · People: Not documented

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