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When to Plant Eggplant in Clarke County, AL

Eggplant is a heat-loving solanaceous crop that produces glossy fruits in purple, white, or striped varieties. It requires long, warm growing seasons for best production.

Clarke County, Alabama is in USDA Zone 8a. The average last spring frost is March 12 and the first fall frost is November 15, giving you a growing season of approximately 248 days.

At an elevation of 79 feet, Clarke County receives approximately 48.6 inches of rainfall annually with predominantly clay loam soil. Summer highs average 92ยฐF, providing good warmth for Eggplant during the growing season. Clay soil retains moisture well for Eggplant, but amend with compost to improve drainage and prevent root rot.

Clarke County, AL (Zone 8a) Long season
248 days
Last Spring Frost March 12
248 growing days
First Fall Frost November 15

Clarke County Soil Profile

Soil Type

Clay Loam

Soil pH

5.4-6.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (105 days to spare)
Start indoors: Dec 30 Transplant: Mar 17 🍅 Harvest: May 26 – Jul 28
Recommended (50%) ✓ Fits season (101 days to spare)
Start indoors: Jan 8 Transplant: Mar 26 🍅 Harvest: Jun 4 – Aug 6
Safe Start (90%) ✓ Fits season (106 days to spare)
Start indoors: Jan 26 Transplant: Apr 13 🍅 Harvest: Jun 22 – Aug 24

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.8″/week
You supply
0.2″/week
Watering frequency Only during dry spells
Season total 391 gal / 100 sq ft
Eggplant needs ~1,425 GDD — county provides 4,712 GDD Excellent fit

Eggplant Planting Timeline โ€” Clarke County, AL

Eggplant Planting Calendar

Activity When Date Range
Start Indoors January 8 Jan 8 โ€“ Jan 22
Transplant Outdoors March 26 Mar 26 โ€“ Apr 9
Direct Sow March 19 Mar 19 โ€“ Apr 9
Harvest June 4 Jun 4 โ€“ Aug 6

Plant 1" deep ยท 30" apart ยท Rows 42" apart

Month-by-Month Timeline

MonthActivities
January Start Indoors
February โ€”
March Transplant Outdoors Direct Sow
April Transplant Outdoors Direct Sow
May โ€”
June Harvest
July Harvest
August Harvest
September โ€”
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

65โ€“85 days

Soil pH

5.5 โ€“ 7

USDA Zone

Zone 8a

Growing Season

248 days

Growing Tips for Clarke County

Start seeds indoors 8-10 weeks before last frost. Transplant only after nighttime temperatures stay above 55F. Mulch to retain moisture and warmth around roots.

Companion Planting

Good Companions

Avoid Planting Near

  • Fennel
  • Kohlrabi

Level Up Your Garden

Frequently Asked Questions

When should I plant Eggplant in Clarke County, AL?

Clarke County is in Zone 8a with an average last frost of March 12. Plan your Eggplant planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Clarke County, AL?

Clarke County, Alabama is in USDA Hardiness Zone 8a. The average last spring frost is March 12 and first fall frost is November 15.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Clarke County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Clarke County, AL. Local conditions may vary. Last updated: April 2026.