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Common Corncockle (Agrostemma githago L.)

Also known as common corn-cockle.

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A common annual weed of wheat fields and other agriculture, native to Europe and introduced to North America, where it is common in the northeast in particular, but found in scattered populations across the contintent.

Range - Expand

Introduced or Not Present

This tentative map is based on our own research. It may have limited data on Canada and/or Mexico, and there is some subjectivity in our assignment of plants as introduced vs. expanded. Read more in this blog post.


In North America, mostly limited to cultivated crop fields and other anthropogenic meadows and fields. Populations are decreasing due to changing agricultural practices, including increased herbicide use and better sorting of seed.


This species is sometimes cultivated as a garden plant, where it is valued for its showy flowers, although it is illegal to sell in some states because of its role as a weed in commercial agriculture.

Agrostemma githago (Common Corncockle) | USDA PLANTS Database (About This Site)

Agrostemma githago | Go Botany (About This Site)

Corn Cockle | iNaturalist (About This Site)

Agrostemma githago | Biota of North America Project (BONAP) (About This Site)

Agrostemma githago | NatureServe Explorer (About This Site)

Agrostemma githago | Flora of North America (About This Site)

Agrostemma githago | Missouri Plants (About This Site)

Common Corncockle | Maryland Biodiversity Project (About This Site)

Agrostemma githago L. (Common Corncockle) | Digital Atlas of the Virginia Flora (About This Site)