HomeLeek › Grow in Washington

Can You Grow Leek in Washington?

US · USDA Zone 8b · zones 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b

Grows well here

Leeks grow well here — cold-hardy and can be harvested into late autumn.

Plant zones

3a–9b

Washington last frost

late January

Washington first frost

mid-December

Days to harvest

100–150 days

When to plant Leeks in Washington

Start indoors

Jan 1

Transplant

Jan 30

Harvest

May 10 – Jun 29

Dates are approximate, based on Washington's average frost dates. Your exact yard may vary by microclimate.

About Leek

Leeks are cold-hardy slow-growing vegetables that can be harvested well into autumn and even winter.

Start indoors in late winter — leeks need a very long season. Transplant deeply to blanch stems. Harvest after first frosts — cold improves flavour. Very cold-hardy surviving to -10°C.

Full leek growing guide →

Gardening in Washington

Washington has dramatically different climates. The wet maritime west (Zone 8a-8b) is mild and productive year-round. Eastern Washington is semi-arid and colder (Zone 5-6) with hot dry summers.

See what grows well in Washington →

Frequently asked questions

Can you grow Leek in Washington?

Leeks grow well here — cold-hardy and can be harvested into late autumn.

What zone is Washington?

Washington spans USDA Zone 8b (4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b).

When do you plant Leeks in Washington?

Plant Leeks around late January (start indoors Jan 1), harvest May 10 – Jun 29.