Centaurea (sen-taw-ree-uh), Perennial Bachelor's Button; Composite Family (Compositae). Mostly from Europe and Asia, Centaurea is easy to grow, pleasant to have in the garden, for a buttonhole or in a bouquet. Fluffy flower heads bloom during the summer.
Plant in well-drained, light garden soil in full sun. Useful in borders, edgings, and the cut garden.