Root Vegetable

When to Plant Potatoes in Ohio

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

The Short Answer

Ohio is excellent potato country — the state's moderate climate, adequate rainfall, and heavy soils (which potatoes actually tolerate better than most root crops) produce reliable harvests of both early and storage varieties. Potatoes are one of the most satisfying crops to grow in Ohio — digging them up feels like finding buried treasure.

Ohio Frost Dates

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

Region Zones Last Frost (Spring) First Frost (Fall)
Northern Ohio 5b, 6a May 1 - May 15 Oct 1 - Oct 15
Central Ohio 6a, 6b Apr 20 - May 5 Oct 10 - Oct 25
Southern Ohio 6b Apr 15 - Apr 30 Oct 15 - Oct 30

Potatoes Planting Schedule for Ohio

Northern Ohio (Zones 5b, 6a)

Average last frost: May 1 - May 15 · Average first frost: Oct 1 - Oct 15

Direct Sow
2 wks before frost

Central Ohio (Zones 6a, 6b)

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

Direct Sow
2 wks before frost

Southern Ohio (Zones 6b)

Average last frost: Apr 15 - Apr 30 · Average first frost: Oct 15 - Oct 30

Direct Sow
2 wks before frost

Growing Potatoes in Ohio

State-Specific Growing Tips

Plant seed potatoes 2-3 weeks before last frost when soil reaches 45°F — typically mid-April in southern Ohio, late April in the north. Cut seed potatoes into pieces with 2-3 eyes each, let cut surfaces dry for a day, then plant 4 inches deep and 12 inches apart. Hill soil around stems as they grow — this increases yield and prevents greening from sun exposure. Ohio's clay drains poorly for many crops but potatoes tolerate it better than most. Harvest 'new potatoes' 2-3 weeks after flowering; dig main crop after foliage dies back.

Recommended Varieties for Ohio

Yukon Gold for all-purpose buttery gold potatoes. Kennebec for baking and storage. Red Pontiac for new potatoes. Fingerling varieties (Russian Banana, French Fingerling) for gourmet eating. Ohio State Extension recommends certified seed potatoes to avoid disease.

Common Challenges in Ohio

Late blight (the disease that caused the Irish Potato Famine) is present in Ohio — destroy any plants showing brown, water-soaked lesions on leaves. Colorado potato beetle is the primary insect pest — handpick adults and crush orange egg masses on leaf undersides. Scab causes rough patches on tubers — maintain acidic soil pH (5.0-5.5) and avoid fresh manure.

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 in Ohio with proper attention to regional frost dates and local growing conditions. Timing varies across the state — Northern Ohio gardeners work with a last frost around May 1 - May 15, while Southern Ohio sees frost end around Apr 15 - Apr 30. Choose varieties suited to your region, amend your soil based on its specific needs, and monitor for the pests and diseases most common in your area. For exact dates based on your zip code, use our free planting date finder.
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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