Onopordum acanthium
Cottonthistle
| Family |
| Asteraceae |
| Genus |
| Onopordum |
| Species |
| acanthium |
| Category |
| Perennials |
| Height |
| 1.5 m |
| Spread |
| 1 m |
| Growth |
| Fast |
| Habitat |
| Grows best in sandy, sandy clay and calcareous soils which are rich in ammonium salts. |
| Notable Specimens |
| The A. M. Cuddy Gardens, Strathroy, Ontario, Canada. |