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

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

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Unknown - Tell us

Where to Grow:

Unknown - Tell us

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

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

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."