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Common Centaury

Centaurium erythraea

Also listed as Centaurium minus, Erythraea centaurium

Also known as Centaury, European Centaury, Drug Centaury

herbaceous☀️ full sun💧 low water❄ Hardy: Zone 5a – Zone 9b

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A delicate wildflower with slender stems and small pink or white flowers, often used in cottage gardens and native plantings. It attracts pollinators and thrives in poor, well-drained soils with minimal water once established.

Why grow it

Common centaury is a low-maintenance annual or biennial that establishes readily in lean soils where many ornamentals struggle, making it useful for poor-site plantings and meadow mixes. It flowers prolifically over a long season and provides reliable nectar for pollinators, while requiring far less water and fertility input than conventional border plants once established.

Watch out for

Plants can self-seed vigorously in favorable conditions; deadhead spent flowers if you want to manage spread. Young seedlings are slow to establish and benefit from consistent moisture during their first growing season, despite the plant's eventual drought tolerance.

Overview

Form
Upright
Growth Rate
moderate
Size
0.5–1.5′ tall × 0.3–0.75′ wide
Dormancy
deciduous
Family
Gentianaceae
EdibleMedicinalPollinators & beneficial insects

Native Range

Mediterranean and Western Europe

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Season of Interest

Summer

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Companion Planting

Plants well with