Cornflower Centaurea Cyanus Blue Boy
Cornflower Centaurea Cyanus Blue Boy. A hardy and eye-catching attractive easily grown cottage garden annual producing an abundance of double sky blue flowers on tall plants. Prefers full sun, well drained soils and is drought resistant. Height 80-100cm.
Cultivation Advice Cornflower Centaurea Cyanus Blue Boy
Days To Germination: 5-10 days
Optimum Soil Temp. for Germination: 60F-70F
Planting Depth: 1/8 to ¼ inch
Spacing, Seed: 3-6 inch
Spacing, Plant: 10 to 12 inches
Plant Height: 24-36 inches
Light:Â Full Sun/Partial Shade
- Seeds can be started indoors 4 to 6 weeks before last spring frost.
- Or direct-sow seeds outside after all danger of frost has passed to a depth of 1/8 to ¼ inch, well pressed as darkness aids in germination.
- Tolerates a variety of soil types.
- When seedlings are 2 to 3 inches high, thin to 10 to 12 inches apart.
- Replant thinned plants.
