Warm-Season Vegetable

When to Plant Eggplant in Ohio

Beautiful purple fruits that love heat even more than tomatoes. Start early indoors for best results.

The Short Answer

Eggplant is one of Ohio's trickiest warm-season crops — it demands even more heat than peppers and is equally intolerant of cold soil and cool nights. But Ohio gardeners who commit to an early indoor start and aggressive season extension are rewarded with beautiful, glossy fruits that taste nothing like their grocery store counterparts.

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

Eggplant Planting Schedule for Ohio

Northern Ohio (Zones 5b, 6a)

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

Start Seeds Indoors
8 wks before frost
Transplant Outside
3 wks after frost

Central Ohio (Zones 6a, 6b)

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

Start Seeds Indoors
8 wks before frost
Transplant Outside
3 wks after frost

Southern Ohio (Zones 6b)

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

Start Seeds Indoors
8 wks before frost
Transplant Outside
3 wks after frost

Growing Eggplant in Ohio

State-Specific Growing Tips

Start seeds indoors 8-10 weeks before last frost — early to mid-March in most of Ohio. Use a heat mat for germination (eggplant needs 75-85°F soil). Don't transplant until nighttime temperatures are consistently above 60°F — often 2-3 weeks after Ohio's last frost, not on the date itself. Black plastic mulch is essential. Row cover during cool June nights adds critical warmth. In Ohio's clay, raised beds with well-drained compost-amended soil are mandatory. Full sun in the warmest garden spot.

Recommended Varieties for Ohio

Asian varieties mature faster and produce more reliably in Ohio than Italian globe types. Ichiban (58 days, Japanese), Orient Express (58 days), and Ping Tung Long (65 days) are proven Ohio performers. For Italian types, choose early varieties: Neon (65 days) and Hansel (55 days, mini). Ohio State Extension recommends starting with Asian types for first-time eggplant growers.

Common Challenges in Ohio

Cool nights cause blossom drop — the most common complaint from Ohio eggplant growers. Flea beetles riddle leaves with tiny holes — floating row cover until flowering prevents most damage. Colorado potato beetle occasionally attacks eggplant. Verticillium wilt is soil-borne — rotate locations with non-nightshade crops.

Growing Tips

Harvest when skin is glossy and firm. Dull skin means overripe and seedy. Use row covers if nights are cool.

Companion Planting

Plant eggplant alongside these companions for better growth:

Peppers Beans Marigolds

Keep eggplant away from:

Fennel

The Bottom Line

Eggplant 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.

Related Guides

Eggplant Growing Guide National planting guide with all states Ohio Planting Calendar All plants for Ohio Eggplant in Alabama Alabama planting dates Eggplant in Alaska Alaska planting dates Eggplant in Arizona Arizona planting dates Eggplant 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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