Centaurea cyanus

Centaurea

Asteraceae

Native Plants

Zone 3–10

🌱 Beginner Friendly

Bachelor's button is an easy-going annual that thrives in full sun with minimal fuss — simply sow seeds directly in well-drained soil after the last frost. Water regularly but avoid waterlogging, as this plant is sensitive to soggy conditions. Deadhead spent blooms regularly to encourage a long and prolific flowering season.

Toxicity Warning

Known to be toxic to dogs, cats.

Care Requirements

Care Level

Low

Sun

Partial Sun

Water

Moderate

Growth Rate

Moderate

Mature Height

12″ – 72″

Soil

loam

Life Cycle

Perennial

Spacing

9″

Watering Schedule

Every 7-10 Days • Water Moderately; Allow Soil To Dry Slightly Between Waterings

Soil pH

5 – 5.5

Temperature

-25° – 95°F

Mature Spread

up to 24″

Root Depth

Deep

Foliage

Medium

Ecology & Origin

Native to

Alabama

Alaska

Albania

Alberta

Algeria

Altay

Amur

Arizona

Arkansas

Austria

Baleares

Baltic States

Belarus

Belgium

British Columbia

Bulgaria

Buryatiya

California

Cape Provinces

Central European Rus

Attracts

🐝 Bees

🐝 Butterflies

🐝 Moths

Safety & Use

Toxic to dogs

Toxic to cats

⚕ Medicinal

Sources

Data: trefle, usda, aspca

Image: trefle.io — CC-BY-SA

Hardiness Zones

Check your zone:

Available From (0)

No nurseries currently have this species in stock.