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Can You Grow Leek in Oregon?

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

Oregon last frost

late January

Oregon first frost

mid-December

Days to harvest

100–150 days

When to plant Leeks in Oregon

Start indoors

Jan 1

Transplant

Jan 30

Harvest

May 10 – Jun 29

Dates are approximate, based on Oregon'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 Oregon

Oregon has dramatically different climates west and east of the Cascades. The Willamette Valley is mild and productive year-round (Zone 8a-8b); eastern Oregon is semi-arid and colder (Zone 5-6).

See what grows well in Oregon →

Frequently asked questions

Can you grow Leek in Oregon?

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

What zone is Oregon?

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

When do you plant Leeks in Oregon?

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