Description
Centaurea cyanus,
Bachelor Button or Cornflower (Introduced)
Annual, 1 – 2 ft. tall. Brilliant blue flowers that bloom spring to summer. Distributed throughout North America along roads, fences and in meadows. Drought-tolerant. Easy to establish. Likes full-sun to partial-shade. Can be aggressive and invasive. Plant anytime ½ inch deep. 96,000 seeds/lb.
USDA: Plant Profile