| Scientific Name: | Allium fistulosum |
| Common Name: | green onion, Welsh onion, Japanese bunching onion |
| Family Name: | Amaryllidaceae |
| Origin: | S.E. Asia / Japan / China |
| Hardiness Zone: | Zone 5: (-29 to -23 °C) |
| Plant Type: | Annual |
| Mature Size: | 0.4 - 0.7m x 0.3 - 0.6m (height x width) |
| Habit: | Upright |
| Form: | Vase |
| Texture: | Coarse |
| Landscape Uses: | Attract beneficial insects, Herb, Urban agriculture |
| Exposure: | Full sun |
| Soil or Media: | Well-drained |
| Leaves: | Simple, Basal, Soft flexible, Parallel venation, Glabrous, Linear, Entire |
| Flowers: | Umbel, White, Jul |
| Fruit: | Capsule, Brown, Aug-Sep |
| Key ID Features: | |
| Leaves long and hollow, up to 4cm in diameter in fall; bulbs absent. | |