Allium cepa Plant Data Family Name: Alliaceae Common Name: bulb onion Other Name(s): Allium cepa Hardiness Zones: Zone 6: (-23 to -18 C) Plant Code: alce Flowering Color: White, Leaf Form: Simple, Leaf Arrangement: Basal, Leaf Shape: 6 PlantSomething BC Garden Centre Listings No members have selected this plant.