Cornflower Blue Boy aka Bacherlor's Buttons Centaurea cyanus SEEDS
Rich, blue fine petalled pom pom flowers bloom atop 2' tall gray-green foliage. Blooms ate spring to early fall. The flowers are also edible. Easy to grow in full sun. Sow seeds directly outdoors in late spring. Will self sow from year to year.
Cornflowers, so called in England where they often self sow in corn fields were brought to the Americas in the 17th century. Better known today as Bachelor's Buttons, these blue beauties were worn by returning sailors to signify they were available to marry.