Plant Habit: | Herb/Forb |
Life cycle: | Perennial |
Minimum cold hardiness: | Zone 8a -12.2 °C (10 °F) to -9.4 °C (15 °F) |
Maximum recommended zone: | Zone 2 |
Inflorescence Type: | Catkin |
Underground structures: | Tuber |
Dynamic Accumulator: | Nitrogen fixer P (Phosphorus) B (Boron) |
Conservation status: | Extinct (EX) |