Buzzy Centaurea, Cornflower Blue Ball double-flowered 1.5g

Cornflower ‘Blue Ball’ Seeds
Buzzy® Centaurea cyanus – approx. 1.5g

A beautiful double-flowered blue cornflower with tall, elegant stems and rich blue blooms. Cornflower ‘Blue Ball’ is easy to grow, flowers generously, and makes a wonderful cut flower for fresh arrangements. It is also suitable for naturalising and adding a relaxed cottage-garden feel to borders and wildflower-style planting.

🌿 Plant Details

Plant Type: Annual
Botanical Name: Centaurea cyanus
Common Name: Cornflower
Variety: Blue Ball
Height: Approx. 90 cm
Position: Full sun
Flowering Time: July–September
Ideal For: Cut flowers, cottage gardens, borders, naturalising, wildlife-friendly planting

🌱 Growing Information

Sow Indoors: March–April
Sow Outdoors: Late March–May, directly where they are to flower
Sowing Method: Broadcast or sow in rows
Sowing Depth: Lightly cover with fine soil
Thinning: Thin seedlings slightly if overcrowded
Spacing: Approx. 20–30 cm apart
Care: Grow in a sunny position and cut flowers regularly to encourage more blooms.

💙 Why Grow Cornflower ‘Blue Ball’?

This classic cornflower produces beautiful blue double blooms that last well in a vase. It is a lovely choice for cutting gardens, pollinator-friendly borders and natural-style planting.

A reliable, easy-to-grow annual for striking blue summer flowers and long-lasting vase displays. 💙

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