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

Centaureacyanus

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Centaurea (sen-TAR-ee-uh)
Species
cyanus (SY-an-us)
Synonym
Sun Exposure
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
Bloom Color
Pink
Dark Blue
White/Near White
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Annuals
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
Seed Collecting
Regional

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Gardener's Notes:

0
positive
1
neutral
0
negative
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E
Timberlea, NS (Zone 6a) | February 2005 | neutral

Excerpted from "Roland's Flora of Nova Scotia":
"Centaurea cyanus is a beautiful, blue flowered garden annual. It is a slender, mu...Read More

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