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When to Plant Corn in Louisiana

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.

Louisiana spans USDA hardiness zones 8a, 8b, 9a, 9b (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 Louisiana

Zone 8a ~255 day growing season · Full guide →

Last frost: March 8 · First frost: November 18 · 255 day season

Activity When Date Range
Direct Sow March 15 Mar 15 – Apr 5
Harvest May 17 May 17 – Jul 12
Zone 8b ~276 day growing season · Full guide →

Last frost: February 25 · First frost: November 28 · 276 day season

Activity When Date Range
Direct Sow March 4 Mar 4 – Mar 25
Harvest May 6 May 6 – Jul 1
Zone 9a ~303 day growing season · Full guide →

Last frost: February 10 · First frost: December 10 · 303 day season

Activity When Date Range
Direct Sow February 17 Feb 17 – Mar 10
Harvest April 21 Apr 21 – Jun 16
Zone 9b ~329 day growing season · Full guide →

Last frost: January 25 · First frost: December 20 · 329 day season

Activity When Date Range
Direct Sow February 1 Feb 1 – Feb 22
Harvest April 5 Apr 5 – May 31

Growing Tips for Louisiana

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 Louisiana?

Planting dates for Corn in Louisiana depend on your USDA zone. Louisiana spans zones 8a, 8b, 9a, 9b. Check the planting calendar above for your specific zone's frost dates and planting windows.

What zone is Louisiana for planting?

Louisiana contains USDA hardiness zones 8a, 8b, 9a, 9b. 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.