Cornflower, Heirloom Seeds

Cornflower, Heirloom Seeds — The Classic Vivid Blue Edible Flower With Long Stems for Cutting and Culinary Use

Cornflower (Centaurea cyanus) is one of the most beloved cottage garden annuals — producing stunning vivid blue blooms on long stems from early summer through fall. Open-pollinated and true-to-type, these heirloom cornflowers are as beautiful in a vase as they are in a salad. Edible flowers add color and mild flavor to culinary dishes and dried floral arrangements. Excellent for cutting gardens, containers, and garden beds. 60–70 days.

Why Grow Cornflower?

• Vivid blue blooms on long stems — ideal for cutting and fresh arrangements
• Edible flowers — add color and mild flavor to salads and culinary dishes
• Blooms early summer through fall — long continuous display
• Excellent for containers and garden beds — versatile and easy to grow
• Open-pollinated heirloom — save seed year after year

Growing Notes

Direct sow outdoors in early spring as soon as soil can be worked, or in fall for early spring bloom. Sow seeds ¼ inch deep, 6 inches apart, in full sun. Thin to 12 inches. Keep soil consistently moist until established. Deadhead regularly to extend bloom season. Self-sows freely once established.

Packed and shipped by Box Garden Seeds LLC — heirloom seeds grown without GMOs, selected for flavor, resilience, and your garden’s success.