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Can You Grow Leek in California?

US · USDA Zone 9b · zones 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b

Grows well here

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

Plant zones

3a–9b

California last frost

mid-January

California first frost

late December

Days to harvest

100–150 days

When to plant Leeks in California

Start indoors

Jan 1

Transplant

Jan 10

Harvest

Apr 20 – Jun 9

Dates are approximate, based on California'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 California

California spans more climate zones than any other state. Coastal regions are mild year-round; the Central Valley is hot and productive; mountains are cold; deserts are extreme.

See what grows well in California →

Frequently asked questions

Can you grow Leek in California?

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

What zone is California?

California spans USDA Zone 9b (5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b).

When do you plant Leeks in California?

Plant Leeks around mid-January (start indoors Jan 1), harvest Apr 20 – Jun 9.