Can You Grow Leek in Ohio?
US · USDA Zone 5b · zones 5a, 5b, 6a
Leeks grow well here — cold-hardy and can be harvested into late autumn.
Plant zones
Ohio last frost
Ohio first frost
Days to harvest
When to plant Leeks in Ohio
Start indoors
Transplant
Harvest
Dates are approximate, based on Ohio'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.
Gardening in Ohio
Ohio has a humid continental climate. Northern Ohio near Lake Erie is Zone 6a; inland areas are Zone 5b. Four seasons with a productive 6-month growing window.
Frequently asked questions
Can you grow Leek in Ohio?
Leeks grow well here — cold-hardy and can be harvested into late autumn.
What zone is Ohio?
Ohio spans USDA Zone 5b (5a, 5b, 6a).
When do you plant Leeks in Ohio?
Plant Leeks around early April (start indoors Jan 12), harvest Jul 16 – Sep 4.