Scientific Name: Allium ampeloprasum (Porrum Group)
Common Name: leek
Family Name: Amaryllidaceae
Origin: Africa, Central / west Asia, Europe
Hardiness Zone: Zone 6: (-23 to -18 °C)
Plant Type: Biennial
Mature Size: 0.7 - 1.3m x 0.3 - 0.6m (height x width)
Habit: Arching, Upright
Form: Vase
Texture: Medium
Landscape Uses: Urban agriculture
Exposure: Full sun
Soil or Media: Well-drained
Leaves: Simple, Alternate, Leathery, Parallel venation, Glabrous, Linear, Entire
Flowers: Flowers clustered, White, Violet, Purple, Pink, Red, Jun-Jul
Fruit: Capsule, Brown, Aug-Sep
Key ID Features:
Onion-like biennials but varieties grown for stems may lack distinct bulbs; leaves sheathing, linear and gradually narrowing down to the fine tip; 2-3cm wide near centre; umbels on peduncles 30-1.2m tall, florets tightly clustered, urn-shaped.