| Plant Habit: | Grass/Grass-like |
| Life cycle: | Biennial |
| Minimum cold hardiness: | Zone 7a -17.8 °C (0 °F) to -15 °C (5 °F) |
| Maximum recommended zone: | Zone 4b |
| Inflorescence Type: | Spike |
| Underground structures: | Caudex |
| Dynamic Accumulator: | P (Phosphorus) K (Potassium) I (Iodine) |
| Conservation status: | Extinct (EX) |
