Centaurea montana 'Blue' (Cornflower, Bachelor's Button)

Centaurea montana 'Blue', commonly known as Cornflower or Bachelor's Button, is a herbaceous perennial plant that belongs to the Asteraceae family. It is native to Europe and has bright blue flowers that bloom in the spring and summer. The plant grows up to 24 inches tall and 18 inches wide, and it prefers full sun to partial shade.