Can You Grow Leek in Montana?
US · USDA Zone 4b · zones 3a, 3b, 4a, 4b, 5a, 5b
Leeks grow well here — cold-hardy and can be harvested into late autumn.
Plant zones
Montana last frost
Montana first frost
Days to harvest
When to plant Leeks in Montana
Start indoors
Transplant
Harvest
Dates are approximate, based on Montana'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 Montana
Montana has a semi-arid continental climate with cold winters and warm summers. Most of the state is Zone 4-5; protected valleys are Zone 5-6. Short but intense growing seasons.
Frequently asked questions
Can you grow Leek in Montana?
Leeks grow well here — cold-hardy and can be harvested into late autumn.
What zone is Montana?
Montana spans USDA Zone 4b (3a, 3b, 4a, 4b, 5a, 5b).
When do you plant Leeks in Montana?
Plant Leeks around mid-April (start indoors Jan 20), harvest Jul 24 – Sep 12.