110 seeds. Centaurea cyanus. Annual.
 
Also called Cornflower and Bachelor's Buttons.
 
Height 30 inches. Spacing 8 inches. 
 
Sowing Bachelor's Button Seeds:
 
Sow seeds outdoors in spring, 1/8" deep. Can be sown in late September in zones 7-10. Full sun. Light shade in hot climates.