| Ornamental Allium | |
| Purple-flowered Onion |
| Plant Habit: | Shrub |
| Life cycle: | Biennial |
| Water Preferences: | Dry Mesic |
| Minimum cold hardiness: | Zone 6a -23.3 °C (-10 °F) to -20.6 °C (-5 °F) |
| Maximum recommended zone: | Zone 5a |
| Inflorescence Type: | Compound |
| Underground structures: | Rhizome |
| Dynamic Accumulator: | Si (Silicon) Na (Sodium) I (Iodine) |
| Resistances: | Birds |
| Pollinators: | Bats Bumblebees |
| Conservation status: | Least Concern (LC) |
