cornflower, (Centaurea cyanus), also called bachelor’s button, herbaceous annual plant of the Asteraceae family. Native to Europe, cornflowers are widely cultivated in North America as garden plants and have naturalized as an invasive species in some areas outside of their native range.
Bachelor’s button, Centaurea cyanus, is a European wildflower that has naturalized across the United States. … It is also classified as invasive in Tennessee, Georgia, and Maryland, and is gradually making its way into the prairie lands of the northwestern United States.
Common chicory, also known as blue daisy, blue dandelion, blue sailors, blue weed, bunk, coffeeweed, cornflower, horseweed, ragged sailors, succory, wild bachelor’s buttons and wild endive is native to Europe and Asia but was introduced into the eastern U.S. in the early 1700s and has since spread across the continent.
