Cornflower Centaurea Cyanus Red Boy
£0.99 – £7.49
A hardy and eye-catching attractive easily grown cottage garden annual producing an abundance of double bright red flowers on tall plants.
Cornflower Centaurea Cyanus Red Boy
Cultivation Advice Cornflower Centaurea Cyanus Red 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: 15-18 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.