Cornflower Blue Diadem Seeds

Cornflower 'Blue Diadem' is a decorative variety known for its striking, frilled blooms in vivid blue, ideal for borders, beds, and cottage gardens. Grown from trusted Unwins seeds, it offers dependable performance season after season. Sow outdoors from March to May or August to October for flowers from June to September, ensuring extended garden colour. The blooms are perfect for fresh floral arrangements, making them a great choice for cutting flowers. With RHS Plants for Pollinators approval, 'Blue Diadem' attracts bees and beneficial insects, supporting garden biodiversity effortlessly.

• Frilled, vivid blue blooms with textured heads
• Flowers June–September for a long season of colour
• RHS-approved – attracts bees and pollinating insects
• Ideal for cutting and fresh arrangements
• Sow March–May or August–October for flexible growing

'Blue Diadem' suits both wildflower-style planting and structured borders, blending naturally into displays. The vibrant flowers maintain their colour well, creating visual impact whether grown en masse or mixed. This variety requires no specialist equipment, making it accessible for all gardeners. It offers a balance of ornamental appeal and ecological value, making it a worthwhile addition to any garden plan.