Onopordon acanthium, the Cotton Thistle, is a biennial or short-lived perennial thistle in the Asteraceae. It favours full sun and well-drained sandy or loamy soils with neutral to alkaline pH. The plant suits exposed, south-facing positions and tolerates dry to medium soil moisture. Classified H5, it is regarded as hardy in typical UK gardens.

Cotton Thistle (Onopordon acanthium) prefers full sun and well-drained neutral to alkaline soils and suits exposed, south-facing spots for wildlife or.

Onopordum, or cottonthistle, is a genus of plants in the tribe Cardueae within the family Asteraceae. They are native to southern Europe, northern Africa, the Canary Islands, the Caucasus, and southwest and central Asia.

Onopordon acanthium

Cotton Thistle | Onopordon acanthium

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