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When to Plant Corn in Saskatchewan

Corn is a warm-season grass grown for its sweet ears, which are best eaten soon after harvest. It is wind-pollinated and must be planted in blocks for good kernel fill.

Saskatchewan spans USDA hardiness zones 3b, 4a (with planting data available), so planting dates vary by your location within the state. Click your zone below for the most accurate dates.

Find Your County

Click your county for exact Corn planting dates based on your local frost dates.

Corn Planting Calendar for Saskatchewan

Zone 3b ~135 day growing season · Full guide →

Last frost: May 10 · First frost: September 22 · 135 day season

Activity When Date Range
Direct Sow May 24 May 24 – Jun 14
Harvest July 26 Jul 26 – Sep 20
Zone 4a ~145 day growing season · Full guide →

Last frost: May 6 · First frost: September 28 · 145 day season

Activity When Date Range
Direct Sow May 20 May 20 – Jun 10
Harvest July 22 Jul 22 – Sep 16

Growing Tips for Saskatchewan

Plant in blocks of at least 4 rows rather than single rows for proper pollination. Direct sow after soil reaches 60F. Side-dress with nitrogen when plants are knee-high.

Frequently Asked Questions

When should I plant Corn in Saskatchewan?

Planting dates for Corn in Saskatchewan depend on your USDA zone. Saskatchewan spans zones 3b, 4a. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is Saskatchewan for planting?

Saskatchewan contains USDA hardiness zones 3b, 4a. Your specific zone depends on your location within the state — northern and higher-elevation areas are in colder zones, while southern and coastal areas are warmer.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals, University Cooperative Extension planting guides. Last updated: April 2026.