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.

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Cornflower Centaurea Cyanus Red Boy

Cornflower Centaurea Cyanus Red Boy. A hardy and eye-catching attractive easily grown cottage garden annual producing an abundance of double bright red flowers on tall plants. Prefers full sun, well drained soils and is drought resistant. Height 80-100cm.

 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.