Can You Grow Corn in Montana?
US · USDA Zone 4b · zones 3a, 3b, 4a, 4b, 5a, 5b
Corn grows well here — plant in blocks after last frost for a summer harvest.
Plant zones
Montana last frost
Montana first frost
Days to harvest
When to plant Corn in Montana
Direct sow
Harvest
Dates are approximate, based on Montana's average frost dates. Your exact yard may vary by microclimate.
About Corn
Corn needs space warmth and wind-pollination — plant in blocks not rows for good pollination.
Direct sow after soil reaches 16°C. Plant in a 4x4 block minimum for wind pollination. Needs consistent water especially during tasselling. Not suitable for containers.
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 Corn in Montana?
Corn grows well here — plant in blocks after last frost for a summer harvest.
What zone is Montana?
Montana spans USDA Zone 4b (3a, 3b, 4a, 4b, 5a, 5b).
When do you plant Corn in Montana?
Plant Corn Apr 15, harvest Jun 14 – Jul 14.