Centaurea jacea

Brown Knapweed

Description

1. Popular name(s): Brown Knapweed, Brownray Knapweed
2. Botanical name: Centaurea jacea
3. Family: Asteraceae
4. Origin: Asia (Georgia, Russia, Turkey), Europe, North Africa (Algeria, Morocco, Tunisia) and as an invasive species in North America and Australia
5. Height: 30 to 80 centimetres
6. USDA zone: 5 (-9.4 F/-23 °C)