Centaurea cyanus is a host plant for Painted Lady butterfly larvae. The flowers attract other butterflies and many different beneficial insects. It reseeds, but extra seedlings are easy to pull up if they are not wanted.
height 30" spacing 9"
Centaurea cyanus Seeds
Centaurea cyanus is an annual flower that blooms in early summer. Also known as Cornflower or Bachelor's Buttons. Easy to grow. Self sows.
Sowing Centaurea cyanus Seeds
Sow centaurea seeds outdoors in early spring, 1/4" deep. Or start indoors 4-6 weeks before the last frost date. Full sun to part shade. Spacing 9".
Centaurea cyanus 'Blue Boy' has double blooms in a stunning shade of deep blue. It makes a great cut flower and a lovely addition to the border or the wildflower garden. The true blue color goes with everything - just like the sky.
This selection is also known as Centaurea cyanus 'Tall Blue Boy'. I like tall varieties because they look graceful and make a big impression.
height 30" spacing 9"
Centaurea cyanus 'Blue Boy'
(Cornflower, Bachelor's Buttons)
300 seeds $3.25
Centaurea cyanus 'Polka Dot Mix'
(Cornflower, Bachelor's Buttons)
300 seeds $3.25
Centaurea cyanus 'Red Boy' has double, rosy red flowers on tall stems. It's perfect for brightening up the garden. It also makes a wonderful cut flower.
Centaurea cyanus blooms for a long time in summer, especially if deadheaded. Good for attracting bees and butterflies. Self-sowing and easy to grow in average conditions.
height 30" spacing 9"
Centaurea cyanus 'Red Boy'
(Cornflower, Bachelor's Buttons)
300 seeds $3.25
Centaurea cyanus 'Frosty Mix' has semi-double to double flowers with colored centers in shades of pink, purple, blue, lavender and burgundy. The surrounding white petals give the effect of the flowers being frosted.
height 30" spacing 9"
Centaurea cyanus 'Frosty Mix'
(Cornflower, Bachelor's Buttons)
300 seeds $3.25