Root Vegetable

When to Plant Potatoes in South Carolina

Incredibly satisfying to grow. There's nothing quite like digging up your own potatoes — it's like buried treasure.

The Short Answer

In South Carolina, soil conditions are an important factor for potatoes. Red clay in Piedmont. Sandy soils on coast. Acidic throughout. Rich alluvial soils in river valleys. Direct sow 2 weeks before your last frost date.

South Carolina Frost Dates

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

Region Zones Last Frost (Spring) First Frost (Fall)
Upstate 7a, 7b Mar 25 - Apr 10 Oct 20 - Nov 5
Midlands 7b, 8a Mar 15 - Apr 1 Nov 1 - Nov 15
Coastal 8a, 8b, 9a Feb 25 - Mar 15 Nov 10 - Dec 1

Potatoes Planting Schedule for South Carolina

Upstate (Zones 7a, 7b)

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

Direct Sow
2 wks before frost

Midlands (Zones 7b, 8a)

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

Direct Sow
2 wks before frost

Coastal (Zones 8a, 8b, 9a)

Average last frost: Feb 25 - Mar 15 · Average first frost: Nov 10 - Dec 1

Direct Sow
2 wks before frost

Growing Potatoes in South Carolina

Potatoes in South Carolina's Climate

Potatoes are a cool-season crop in warm climates — plant in late winter for late spring harvest before summer heat shuts tuber growth down. Once soil temperatures exceed 85°F consistently, tuber growth stops. Choose heat-tolerant varieties like Red LaSoda. Some southern growers plant a second crop in August for fall harvest.

Soil Considerations for South Carolina

Red clay in Piedmont. Sandy soils on coast. Acidic throughout. Rich alluvial soils in river valleys. Loose, well-drained soil is especially important for potatoes since the edible portion grows underground. If your soil is heavy clay, consider raised beds.

South Carolina Climate & Growing Season

Long, hot growing season. Subtropical on coast. Two main planting seasons. Summer heat can stress cool-season crops.

Growing season length varies across South Carolina: Upstate (7a, 7b) has a last frost around Mar 25 - Apr 10, while Coastal (8a, 8b, 9a) sees frost end around Feb 25 - Mar 15. This difference matters for potatoes — adjust your planting dates to match your specific region.

Growing Tips

Plant seed potatoes (not grocery store potatoes) 2-3 weeks before last frost. Hill soil around stems as they grow to increase yield.

Companion Planting

Plant potatoes alongside these companions for better growth:

Beans Corn Cabbage Marigolds

Keep potatoes away from:

Tomatoes Squash Sunflowers

The Bottom Line

Potatoes can be grown successfully across South Carolina, but your exact planting dates depend on which region you're in. Upstate gardeners should plan around a Mar 25 - Apr 10 last frost, while those in Coastal can typically plant earlier. For exact dates based on your zip code, use our free planting date finder.

Related Guides

Potatoes Growing Guide National planting guide with all states South Carolina Planting Calendar All plants for South Carolina Potatoes in Alabama Alabama planting dates Potatoes in Alaska Alaska planting dates Potatoes in Arizona Arizona planting dates Potatoes 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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