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Centaurea cyanus Blue Diadem

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Centaurea cyanus Blue Diadem

Centaurea cyanus

Grow your own Cornflower from seed. This striking cornflower blooms all summer with royal blue flowers over silvery-green foliage. Centaurea Blue Diadem is probably the best blue cornflower available with larger-than-usual flowers on tall, bushy plants.

Available now
Delivered all year round

Price: £2.50 delivered

Pack of 100 seeds

Key features:

  • 100 seeds per pack
  • Sow NOW for summer & autumn flowering
  • Flower time 10 weeks from sowing
  • Height 100cm
  • Spread 40cm
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