Warm-Season Vegetable

When to Plant Eggplant in Missouri

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

The Short Answer

In Missouri, eggplant planting dates vary by region. In Northern Missouri, your average last frost is around Apr 20 - May 5, while Southern Missouri sees its last frost around Apr 1 - Apr 15. Since eggplant are frost-sensitive, start seeds indoors 8 weeks before your last frost, then transplant outside 3 weeks after frost danger has passed. Rich loess soils along Missouri River. Rocky Ozark soils in south. Heavy clay common. Generally fertile.

Missouri Frost Dates

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

Region Zones Last Frost (Spring) First Frost (Fall)
Northern Missouri 5b, 6a Apr 20 - May 5 Oct 1 - Oct 15
Central Missouri 6a, 6b Apr 10 - Apr 25 Oct 10 - Oct 25
Southern Missouri 6b, 7a Apr 1 - Apr 15 Oct 15 - Nov 1

Eggplant Planting Schedule for Missouri

Northern Missouri (Zones 5b, 6a)

Average last frost: Apr 20 - May 5 · Average first frost: Oct 1 - Oct 15

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

Central Missouri (Zones 6a, 6b)

Average last frost: Apr 10 - Apr 25 · Average first frost: Oct 10 - Oct 25

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

Southern Missouri (Zones 6b, 7a)

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

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

Growing Eggplant in Missouri

Eggplant in Missouri's Climate

Eggplant grows well in your warmer microclimates with proper timing. Start indoors 8-10 weeks before last frost. Don't transplant until nighttime temperatures consistently exceed 60°F. Asian varieties produce more reliably than Italian globe types in your climate. Full sun in the warmest garden spot.

Soil Considerations for Missouri

Rich loess soils along Missouri River. Rocky Ozark soils in south. Heavy clay common. Generally fertile. Make sure soil has warmed to at least 70°F before planting eggplant outside.

Missouri Climate & Growing Season

Continental climate. Hot, humid summers. Four seasons. Good growing season in most of state. Eggplant 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 Missouri: Northern Missouri (5b, 6a) has a last frost around Apr 20 - May 5, while Southern Missouri (6b, 7a) sees frost end around Apr 1 - Apr 15. This difference matters for eggplant — transplant timing shifts by several weeks across the state.

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 across Missouri, but your exact planting dates depend on which region you're in. Northern Missouri gardeners should plan around a Apr 20 - May 5 last frost, while those in Southern Missouri can typically plant earlier. 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 Missouri Planting Calendar All plants for Missouri 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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