Bulbs found underground, also after it has finished flowering produces more bulbs instead of seeds. The stem eventually bends under the weight, the bulbs can then root down where they land, it is also known as the walking onion!
Hardiness: Hardy
Height: 1m+
Spread: 15cm
Soil type: Well drained
Aspect: Full sun
Allium cepa (Prolifurum group) Tree Onion
£2.50Price