Blue Boy Cornflower Centaurea Seeds

Blue Boy Cornflower Centaurea seeds produce classic deep blue blooms with distinctive fringed petals. These hardy annuals establish quickly in most soil conditions, flowering prolifically from late spring through autumn. Reaching 75-90cm, they provide excellent vertical structure while attracting beneficial insects. Drought-resistant once established and highly effective as cut flowers with exceptional vase life.

20 seeds per packet

Sow Autumn & Spring

Part Sun/ Full Sun 

Beginner friendly 

Sowing Depth + Method: 5mm deep, sow direct or raise seedlings

Spacing: 20cm apart

Days until germination: 7-10 days @ 15-18 °C