• Perennial green leaf
  • Perennial vegetables
  • Bees and butterflies
  • Edimentals

Welsh Onion

Allium fistulosum

Hardy reliable perennial bunching onion with edible stems and leaf in spring and summer.

PLANT TYPE Vegetable


USES Culinary, Pollinators, Ornamental


Hardy reliable perennial bunching onion provides edible stems and leaf in spring and summer. Can be used for salads, garnishes and cooking.
Also known as Welsh bunching onion, Japanese bunching onion, Japanese leek and stone leek. Happy in full sun.

Height 50 – 60cm

RECOMMENDED LOCATION Pot, Kitchen garden, Forest garden, Wildlife garden, Ornamental garden

Aspect Full sun

Height 45cm

Spread 10cm

Hardiness Hardy in UK WInter

Management and care Requires little management other than dividing clumps from time to time.


Allium fistulosum is not known in the wild. It appears to have been derived from a wild species, Allium altaicum, native to southern Siberia, Kazakhstan, Mongolia and China.

Allium fistulosum has been cultivated in China, Japan and Korea for centuries and is the primary onion used there. “Welsh” not actually having anything to do with Wales, but actually a Northern European Middle Ages derivation of “foreign”,  as in, “We don’t know where this is from but it’s definitely not from around here”.

Download infosheet

Welsh Onion