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.