Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Centaurea (sen-TAR-ee-uh) (Info)
Species: nigra (NY-gruh) (Info)
Synonym:Centaurea nigra var. radiata
 One vendor has this plant for sale.
One member has or wants this plant for trade. Category:
Perennials
Height:
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
Spacing:
Unknown - Tell us
Hardiness:
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
Sun Exposure:
Full Sun
Danger:
Unknown - Tell us
Bloom Color:
Pink
Bloom Time:
Mid Summer
Late Summer/Early Fall
Foliage:
Herbaceous
Other details:
May be a noxious weed or invasive
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information:
Non-patented
Propagation Methods:
Unknown - Tell us
Seed Collecting:
Unknown - Tell us
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