Tall biennial with prickly stems and distinctive cone-shaped flower heads ringed by bands of mauve flowers in summer. Architectural seed heads persist into winter.
Hardiness ratings
| System | Rating | Temperature range | How to read it |
|---|---|---|---|
| USDA hardiness zone | Zone 3–8 | −40 °C to −6.7 °C | Plant tolerates down to this zone |
| RHS hardiness rating | H7 | down to −20 °C | Plant needs at least this level of cold tolerance |
| Canadian plant hardiness zone | Zone 3–8 | −34 °C to −1 °C | Plant tolerates down to this zone |
| Australian (ANBG) zone | Zone 1–5 | −15 °C to 10 °C | Plant tolerates down to this zone |
Growing notes
- Specialist nectar source for several long-tongued bee species
- Goldfinches feed on the seeds through autumn and winter — keep stems standing
- Architectural dried heads provide structure through winter
- Seriously prickly — site away from paths
Categories
Related plants
Cross-check Teasel against your zones