Cornflower- Black Ball

Centaurea cyanus

Rated 5/5 based on 1 reviews.

Standard seed packet, 50 seeds

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Cornflower- Black Ball

Centaurea cyanus

  • Annual 90cm
  • Very dark double flowers
  • An excellent cut or dried flower

Annual growing to 90cm. Plants have an upright habit with long grey/green leaves and produce tall dark maroon double flowers. Good for cottage gardens, wildflower gardens, beds and borders. Makes an excellend cut flower or dried flower; colour doesnt fade. Attracts bees and butterflies to the garden. Has a history of medicinal uses. Is sometimes used as a companion plant. Also known as Blue-Bottle. Basket Flower and Bachelors Button. Can be grown in containers. Drought tolerant.

How to sow and grow:

Method: Sow direct or raise seedlings
Sowing Depth: 5mm
When: Autumn, early winter and spring
Position: Full sun, well drained moist soil
Plant Spacing: 30cm
Hardiness: Hardy
Plant Height: 90cm
Days to Maturity/flowering: 70 days
Care: Suceptible to mildew. Deadhead to prolong flowering. Plants may need some support.

(Product number: F1-08)
Seeds per gram: 220 seeds

SKU F1-08
Botanical name: Centaurea cyanus
Packet type: Standard seed packet
Packet quantity: 50 seeds
Seeds per gram: 220
Photo credits:

Photo by F. D. Richards / CC BY-SA 2.0 / cropped

Great for covering a large area

By: on 5 July 2016
These self seed and grow like crazy. Mine have even flowered through both summer and winter in Tasmania on our farm.

TheSeedCollection Response
Thanks for the review!

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