Bachelor's Button, Cornflower
Centaurea cyanus 'Polka Dot Mix'

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

Category:

Annuals

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us

Height:

12-18 in. (30-45 cm)

18-24 in. (45-60 cm)

Spacing:

9-12 in. (22-30 cm)

Hardiness:

Not Applicable

Sun Exposure:

Full Sun

Danger:

N/A

Bloom Color:

Pink

Rose/Mauve

Medium Blue

Violet/Lavender

White/Near White

Bloom Time:

Mid Summer

Late Summer/Early Fall

Foliage:

Herbaceous

Other details:

Unknown - Tell us

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:

Unknown - Tell us

Propagation Methods:

From seed; sow indoors before last frost

From seed; direct sow after last frost

Self-sows freely; deadhead if you do not want volunteer seedlings next season

Seed Collecting:

Allow pods to dry on plant; break open to collect seeds

Regional

This plant has been said to grow in the following regions:

Seward, Alaska

El Mirage, Arizona

Phoenix, Arizona

Springdale, Arkansas

Citrus Heights, California

Colorado Springs, Colorado

Lincoln, Maine

Halifax, Massachusetts

Harrisburg, Pennsylvania

Selinsgrove, Pennsylvania

San Antonio, Texas

Kalama, Washington

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Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Aug 31, 2002, Weezingreens from Seward, AK (Zone 3b) wrote:

Polka Dot is a delightful mix of semi-dwarf bachelor's buttons. They bloom in many colors, some bi-colors and earier than many other varieties.

If starting the seeds indoors, be sure to exclude light during germination.