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PlantFiles: Bachelor's Button, Cornflower
Centaurea cyanus 'Classic Blue'

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Centaurea (sen-TAR-ee-uh) (Info)
Species: cyanus (SY-an-us) (Info)
Cultivar: Classic Blue

Category:
Annuals

Height:
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Spacing:
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)

Hardiness:
Not Applicable

Sun Exposure:
Unknown - Tell us

Danger:
Unknown - Tell us

Bloom Color:
Pink
Medium Blue
White/Near White

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Unknown - Tell us

Other details:
Unknown - Tell us

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

Profile:

No positives
1 neutral
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral Emaewest On Feb 7, 2005, Emaewest from Timberlea, NS (Zone 6a) wrote:

Excerpted from "Roland's Flora of Nova Scotia":
"Centaurea cyanus is a beautiful, blue flowered garden annual. It is a slender, much-branched annual, 20-100 cm tall, with undivided, linear leaves. Although usually blue, they may be pink or white. Introduced from Europe."



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