Home / Guides / Plant Files / Asteraceae

Centaurea, Bachelor's Button, Cornflower 'Black Gem'

Centaureacyanus

Upload Image Print Article
Centaurea cyanus by AnniesAnnuals
Upload Image Print Article
Family
Asteraceae (ass-ter-AY-see-ee)
Info
Genus
Centaurea (sen-TAR-ee-uh)
Info
Species
cyanus (SY-an-us)
Info
Synonym
Sun Exposure

Unknown - Tell us

Foliage

Unknown - Tell us

Height

Unknown - Tell us

Spacing

Unknown - Tell us

Hardiness

Unknown - Tell us

Danger

Unknown - Tell us

Bloom Color

Unknown - Tell us

Bloom Time

Unknown - Tell us

Other Details
Category

Unknown - Tell us

Water Requirements

Unknown - Tell us

Foliage Color

Unknown - Tell us

Where to Grow
Grow outdoors year-round in hardiness zone
Bloom Characteristics

Unknown - Tell us

Bloom Size

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

Regional

This plant is said to grow outdoors in the following regions:

Richmond, California

Salt Lake City, Utah

View this plant in a garden
5 members have or want this plant for trade

Featured Videos

Gardener's Notes:

Post Comment
0
positive
0
neutral
0
negative
Sort By:
Post Comment
Sort By:
Popular Plants
SEE ALL
Iris
Peppers
Hydrangeas
Hostas
Contribute to Dave’s Garden
Add a New Plant to the List
Featured
BUG FILES
Macadamia Cup Moth
(Mecytha fasciata)
BIRD FILES
Little Blue Heron
(Egretta caerulea)
Quick Links
View All Families
View All Genera
View All Species
Freeze/Frost Dates
PlantFiles FAQ
Plants with no Photos
Contribute to Dave’s Garden
Add a New Plant to the List
Featured
BUG FILES
Macadamia Cup Moth
(Mecytha fasciata)
BIRD FILES
Little Blue Heron
(Egretta caerulea)