Cornflower Centaurea Cyanus – Blue Boy Organic
£1.19 – £7.99
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.
Cornflower Centaurea Cyanus – Blue Boy Organic
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 Organic
- 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: 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.