Cornflower ‘Blue Boy’ Seeds


Cornflower ‘Blue Boy’ Seeds. Centaurea cyanus Heirloom Wildflower
Hardy Annual, Attracts bees
‘Blue Boy’ bachelors button double sky blue flowers
on slender 3-4′ tall sturdy stems
Spring through Summer
Organically Grown Annual Flower Seeds for full sun, Canada
40 sd/pkt

In stock


Centaurea cyanusCornflower Blue Boy Seeds  Heirloom ‘Blue Boy’ 

Cornflower ‘Blue Boy’ Seeds

Type: Hardy Annual Heirloom Wildflower
Bloom: Spring to Summer
Flower: Double Sky Blue
Height: 3-4′ tall x 10″ wide
Light: Full sun
Soil: Fertile
P.H.: 6.5-7.6
Moisture: Moderate
Zone: 5-10
Use: Borders, cut flowers, wildflower
Tolerances: Drought tolerant. Frost hardy annual. Deer & rabbit resistant. Attracts bees
Notes: Continuous bloom if deadheaded. Re-seeding annual
Native to Southern Europe

Centaurea cyanus Seed Propagation
Indoors: Sow 1/4″ deep, 1-2″ apart 4 weeks before last frost. Keep evenly moist & provide good light until transplanting outdoors when 3-4″ tall, one week after final frost
Outdoors: Sow in full sun area, 1/2″ deep, 1-2″ apart from October to April where winters are mild for Spring bloom. Where winters freeze, sow early Spring as soon as soil can be worked over or sow later summer for fall color. Keep evenly moist Germinate 7-10 days. Thin to 10-12″ apart


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