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Centaurea cyanus (Cornflower, Bachelor's button, Bluebottle)

Type: Species | Edit History      Plant ID - 36954



Image added by
gardenelf (26)

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Scientific Classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Asterales
Family: Asteraceae
Genus: Centaurea
Species: Centaurea cyanus
 
Common Names add
Plant Types edit
  • Annual
Zones / Hardiness edit
  • 7a (to 5 F / -15 C)
  • 7b (to 10 F / -12 C)
  • 8a (to 15 F / -9 C)
  • 8b (to 20 F / -7 C)
Height (Maximum) edit
  • 2 to 5 feet (60 cm to 1 1/2 m)
Spread (Maximum) edit
  • 6 to 12 inches (15 to 30 cm)
Flowering Start edit
  • May
Flowering End edit
  • September
Leaf Colour edit
  • Green - Light
Leaf Shape edit
  • Linear
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Suitable For edit
  • Border/Bed
  • Cottage Garden
  • Flower Arranging/Drying
Sun Exposure edit
  • Full Sun
Soil Types edit
  • Well-drained
  • Tolerant of Most Types
Soil pH edit
  • 6.5 - 6.9 (Very slightly acidic)
  • 7.0 (Neutral)
  • 7.1 - 7.5 (Very slightly alkaline)
Bloom Colour edit
  • Red
  • Pink
  • Blue
  • Purple
  • White
Wildlife Value edit
  • Bees
  • Bird - food (fruit/berries/insects/seeds)
  • Butterflies (nectar source)
Propagation Techniques edit
  • Seed
Skill Level edit
  • Beginner
Additional Short Notes add
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Members who grow this plant also grow...
  Malva sylvestris 'Zebrina' (Dwarf Hollyhock)
  Ajuga reptans (Carpet Bugleweed, Common Bugleweed)
  Hydrangea macrophylla (Bigleaf Hydrangea, Mophead Hydrangea)
  Dianthus chinensis (China Pink, Rainbow Pink)


Contributors For This Plant
Netty (13946)
Tammyd (1215)
FlowerFreak22 (9625)
Frank (2698)
toni (36069)
gardenelf (26)


Gardens Containing This Plant
toni's Garden
Tammyd's Garden
 elle's Garden
 arleene's Garden
gardenelf's Garden
FlowerFreak22's Garden


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Images for this Plant


Photo of Centaurea cyanus (Cornflower, Bachelor's button, Bluebottle)
Centaurea cyanus (Cornflower, Bachelor's button, Bluebottle)
photo / image / picture
Uploaded
Jun 03 2011
by gardenelf (26)
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Photo of Centaurea cyanus (Cornflower, Bachelor's button, Bluebottle)
Centaurea cyanus (Cornflower, Bachelor's button, Bluebottle)
photo / image / picture
Uploaded
May 28 2011
by gardenelf (26)
I like this image
3 people like this image
This image is copyright of member gardenelf (26).
You must contact this member if you have a usage request.




Photo of Centaurea cyanus (Cornflower, Bachelor's button, Bluebottle)
Centaurea cyanus (Cornflower, Bachelor's button, Bluebottle)
photo / image / picture
Uploaded
May 24 2009
by Tammyd (1215)
I like this image
0 people like this image
This image is copyright of member Tammyd (1215).
You must contact this member if you have a usage request.










Other names for this plant:
Leucacantha cyanus



This page includes name data supplied by ITIS.gov. View their own page for this plant.