• a close up of a bright blue blue boy flower in a green field
1 1

Blue Boy Cornflower Seeds by West Coast Seeds (Centaurea cyanus)

Blue Boy Cornflower Seeds by West Coast Seeds (Centaurea cyanus)

Blue Boy Cornflower Seeds by West Coast Seeds (Centaurea cyanus) produce vivid, true-blue blooms with finely fringed petals that create a classic wildflower look. This well-known variety is prized for its intense colour and reliable garden performance. This listing is for seed packets only and does not include live plants.

Centaurea cyanus is a cool-season annual, commonly referred to as bachelor’s button, that grows upright with slender stems and soft, narrow foliage. ‘Blue Boy’ is one of the most recognizable cornflower varieties, producing abundant blooms that attract pollinators and add strong colour contrast to garden beds and borders.

This variety is especially popular in cutting gardens and naturalized plantings, where its bold blue flowers provide visual impact and long-lasting blooms.

$3.49
$3.49
Sale Sold out

Choose a pot for your plant

Sun Requirements ▾

Cornflowers perform best in full sun where they receive strong direct light for most of the day. Adequate sunlight encourages sturdy stems and abundant flowering. Partial shade is tolerated but may reduce bloom production.

Watering Instructions ▾

Water when the soil surface begins to dry, maintaining moderate moisture during early growth. Once established, cornflowers tolerate slightly drier conditions but benefit from occasional watering during extended dry periods. Avoid overly saturated soil.

Care Tips ▾

Blue Boy cornflowers grow best in well-draining soil with moderate fertility. They prefer stable, cooler temperatures and benefit from environments with moderate humidity and good air circulation. Loose soil structure supports healthy root development and upright growth. Sow Blue Boy cornflower seeds directly outdoors in early spring once soil temperatures reach approximately 10–18°C, or in fall in mild climates. Seeds typically germinate within 7–14 days. Plants begin flowering in about 60–70 days and will continue blooming throughout the season. Regular harvesting or deadheading encourages continued flower production.
View full details

You May Also Like