| Plant Habit: | Herb/Forb |
| Life cycle: | Biennial |
| Minimum cold hardiness: | Zone 3 -40 °C (-40 °F) to -37.2 °C (-35) |
| Maximum recommended zone: | Zone 5b |
| Inflorescence Type: | Cyathium |
| Underground structures: | Caudex |
| Dynamic Accumulator: | S (Sulfur) Zn (Zinc) Mo (Molybdenum) |
| Conservation status: | Extinct (EX) |
