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Can You Grow Corn in Manitoba?

Canada · Canadian Zone 3 · zones 2, 3, 4

Won't grow here

Corn needs warm soil and a reasonable growing season that this zone does not reliably provide.

Plant zones

3b–11b

Manitoba last frost

mid-May

Manitoba first frost

late September

Days to harvest

60–90 days

When to plant Corn in Manitoba

Direct sow

May 15

Harvest

Jul 14 – Aug 13

Dates are approximate, based on Manitoba'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.

Full corn growing guide →

Gardening in Manitoba

Manitoba has a cold continental climate. Winnipeg is Zone 3b-4a. Cold winters and hot summers make for an intense but short growing season. Excellent for sunflowers, canola, and cool-season vegetables.