Warm-Season Vegetable

When to Plant Corn (Sweet) in Alabama

Nothing says summer like fresh sweet corn. Plant in blocks (not rows) for proper pollination.

The Short Answer

In Alabama, corn (sweet) planting dates vary by region. In Northern Alabama, your average last frost is around Mar 25 - Apr 10, while Southern Alabama sees its last frost around Feb 28 - Mar 15. Since corn (sweet) are frost-sensitive, direct sow 2 weeks after your last frost date. Red clay soils in north, sandy loam in south. Amend with compost for drainage in clay areas.

Alabama Frost Dates

Your planting dates depend on which part of Alabama you're in. Here are the frost date ranges by region:

Region Zones Last Frost (Spring) First Frost (Fall)
Northern Alabama 7a, 7b Mar 25 - Apr 10 Oct 20 - Nov 5
Central Alabama 7b, 8a Mar 15 - Apr 1 Nov 1 - Nov 15
Southern Alabama 8a, 8b Feb 28 - Mar 15 Nov 10 - Nov 25

Corn (Sweet) Planting Schedule for Alabama

Northern Alabama (Zones 7a, 7b)

Average last frost: Mar 25 - Apr 10 · Average first frost: Oct 20 - Nov 5

Direct Sow
2 wks after frost

Central Alabama (Zones 7b, 8a)

Average last frost: Mar 15 - Apr 1 · Average first frost: Nov 1 - Nov 15

Direct Sow
2 wks after frost

Southern Alabama (Zones 8a, 8b)

Average last frost: Feb 28 - Mar 15 · Average first frost: Nov 10 - Nov 25

Direct Sow
2 wks after frost

Growing Corn (Sweet) in Alabama

Corn (Sweet) in Alabama's Climate

Sweet corn hits the table earlier in warm climates — plant in March-April and harvest before northern states even think about planting. The goal is tasseling before consistent 95°F+ days, which can impair pollination. A second short-season crop in late July for fall harvest is possible in many warm zones.

Soil Considerations for Alabama

Red clay soils in north, sandy loam in south. Amend with compost for drainage in clay areas. Make sure soil has warmed to at least 60°F before planting corn (sweet) outside.

Alabama Climate & Growing Season

Long growing season. Hot, humid summers. Mild winters allow for fall and winter gardening in southern regions. Corn (Sweet) cannot tolerate any frost, so wait until all frost danger has passed before transplanting outside. Watch local forecasts carefully in spring.

Growing season length varies across Alabama: Northern Alabama (7a, 7b) has a last frost around Mar 25 - Apr 10, while Southern Alabama (8a, 8b) sees frost end around Feb 28 - Mar 15. This difference matters for corn (sweet) — transplant timing shifts by several weeks across the state.

Growing Tips

Plant in blocks of at least 4x4 for wind pollination. Corn is a heavy feeder — amend soil with compost before planting.

Companion Planting

Plant corn (sweet) alongside these companions for better growth:

Beans Squash Melons

Keep corn (sweet) away from:

Tomatoes

The Bottom Line

Corn (Sweet) can be grown successfully across Alabama, but your exact planting dates depend on which region you're in. Northern Alabama gardeners should plan around a Mar 25 - Apr 10 last frost, while those in Southern Alabama can typically plant earlier. For exact dates based on your zip code, use our free planting date finder.

Related Guides

Corn (Sweet) Growing Guide National planting guide with all states Alabama Planting Calendar All plants for Alabama Corn (Sweet) in Alaska Alaska planting dates Corn (Sweet) in Arizona Arizona planting dates Corn (Sweet) in Arkansas Arkansas planting dates
Note: All dates are based on NOAA 30-year Climate Normals and represent historical averages, not predictions for any specific year. Always check your local weather forecast before planting frost-sensitive crops. Learn about our data sources.

Last reviewed: March 29, 2026

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