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A picture of a Blue Leek

Blue Leek

Allium ampeloprasum

Also known as

Wild leek, Kurrat, Great-headed garlic, Pearl onion, Elephant garlic, Yorktown onion, Broad-leaved wild leek, Levant garlic, Kurrant

Full Sun
Light watering
Frost Hardy


USDA zone


Minimum temperature

Expected size








1 years to reach maturity


  • spring
  • summer
  • autumn
  • winter

This plant has a mild fragrance

More images of Blue Leek

A photo of Blue Leek
A photo of Blue Leek
A photo of Blue Leek

Blue Leek Overview

Bulbous perennial species with a strong onion/garlic scent, produces spherical umbels of tightly-packed purple blooms on bare stems in summer. This Allium has a tall, robust habit; its cylindrical stems reach a height of up to 4 ft (1.2 m). Paper-like bracts drop off the globe-shaped umbels as the flower opens. Leaves have a wax-like texture, are up to 40cm long and are grey-green with rough margins. One of the larger, leafier Alliums, it has a bulb with a garlic-like flavour.

Common problems with Blue Leek

How to propagate Blue Leek


Propagation is by offsets, by seed in autumn.


Division of clumps (spring flowering varieties in late summer and summer flowering varieties in spring).

Special features of Blue Leek

Attracts useful insects

butterflies, moths, range of flies, range of bees

Other uses of Blue Leek

Adaptable to many other environments, especially for rocky, coastal situations.