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Blue Bottle Wikimedia Commons
Asteraceae

Blue Bottle

Centaurea cyanus

Delicacy and refinement.

Family
Asteraceae
Genus
Centaurea
Native to
Europe
Bloom season
Spring, Summer
Type
annual herb
Height
1-3 ft
Sunlight
full sun
Soil
Well-drained, average
Water
low
Hardiness
2-11
Lifespan
annual

Did you know

  • Blue bottle is another common name for the cornflower, once a ubiquitous weed in European grain fields.
  • The vivid blue pigment was historically used to make a watercolor paint prized by artists.
  • Kaiser Wilhelm I of Germany adopted it as his personal emblem, making it the national flower of Germany.
  • The flowers are edible and commonly used to garnish salads, cakes, and cocktails.
  • Modern agricultural herbicides have made wild cornflowers rare enough to be a conservation concern in Britain.

Color meanings

0

hope in love

1

single blessedness

Uses

  • edible garnish
  • wildflower meadows
  • natural dye