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Can You Grow Leek in New Jersey?

US · USDA Zone 6b · zones 6a, 6b, 7a

Grows well here

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

Plant zones

3a–9b

New Jersey last frost

mid-March

New Jersey first frost

mid-November

Days to harvest

100–150 days

When to plant Leeks in New Jersey

Start indoors

Jan 1

Transplant

Mar 15

Harvest

Jun 23 – Aug 12

Dates are approximate, based on New Jersey'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 New Jersey

New Jersey has a humid subtropical to continental climate. South Jersey is Zone 7a; North Jersey is Zone 6a-6b. Known for its produce farming — tomatoes, blueberries, cranberries.

See what grows well in New Jersey →

Frequently asked questions

Can you grow Leek in New Jersey?

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

What zone is New Jersey?

New Jersey spans USDA Zone 6b (6a, 6b, 7a).

When do you plant Leeks in New Jersey?

Plant Leeks around mid-March (start indoors Jan 1), harvest Jun 23 – Aug 12.