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When to Plant Eggplant in Lamar 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.

Lamar County, Alabama is in USDA Zone 7a. The average last spring frost is March 23 and the first fall frost is November 6, giving you a growing season of approximately 228 days.

At an elevation of 69 feet, Lamar County receives approximately 62 inches of rainfall annually with predominantly clay loam soil. Summer highs average 88ยฐF, 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. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Eggplant root diseases.

Lamar County, AL (Zone 7a) Long season
228 days
Last Spring Frost March 23
228 growing days
First Fall Frost November 6

Lamar County Soil Profile

Soil Type

Clay Loam

Soil pH

5.3-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (81 days to spare)
Start indoors: Jan 10 Transplant: Mar 28 🍅 Harvest: Jun 6 – Aug 8
Recommended (50%) ✓ Fits season (81 days to spare)
Start indoors: Jan 19 Transplant: Apr 6 🍅 Harvest: Jun 15 – Aug 17
Safe Start (90%) ✓ Fits season (80 days to spare)
Start indoors: Feb 9 Transplant: Apr 27 🍅 Harvest: Jul 6 – Sep 7

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.

Soil Compatibility in Lamar County

How your county's soil matches Eggplant's growing requirements.

Soil pH

Your soil pH (5.3โ€“6.7) overlaps with Eggplant's range (5.5โ€“7.0), though not a perfect match.

Soil Texture

The clay loam soil in Lamar County is excellent for Eggplant โ€” good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (2.2%). Annual compost additions will help Eggplant.

How to Plant Eggplant

1"
Planting Depth
30"
Between Plants
42"
Between Rows

Succession Planting Eggplant

4
successive plantings in your 228-day season

Sow every 7.4 weeks. Last sowing by Aug 13 to harvest before frost.

Plant Water Budget

Plant needs
1.1″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Eggplant needs ~1,200 GDD — county provides 3,648 GDD Excellent fit

Eggplant Planting Timeline โ€” Lamar County, AL

Eggplant Planting Calendar

Activity When Date Range
Start Indoors January 19 Jan 19 โ€“ Feb 2
Transplant Outdoors April 6 Apr 6 โ€“ Apr 20
Direct Sow March 30 Mar 30 โ€“ Apr 20
Harvest June 15 Jun 15 โ€“ Aug 17

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

Month-by-Month Timeline

MonthActivities
January Start Indoors
February Start Indoors
March 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

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

1.1"/week ยท Natural rainfall sufficient

๐Ÿ“… Days to Maturity

65โ€“85 days

๐Ÿงช Soil pH

Needs 5.5โ€“7 ยท Your soil: acceptable

๐Ÿ—บ๏ธ USDA Zone

Zone 7a

๐Ÿ“† Growing Season

228 days in Lamar County

Growing Tips for Eggplant in Lamar County

Direct sow Eggplant outdoors after March 23 in Lamar County when soil has warmed and frost danger has passed.

With Lamar County's clay soil (28% clay), work in 3-4 inches of compost before planting Eggplant. Avoid tilling when soil is wet to prevent compaction.

Common pests for Eggplant in this region include tomato hornworm and aphids. Use row covers early in the season and inspect plants weekly.

General growing tips

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 Lamar County, AL?

Lamar County is in Zone 7a with an average last frost of March 23. Plan your Eggplant planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Lamar County, AL?

Lamar County, Alabama is in USDA Hardiness Zone 7a. The average last spring frost is March 23 and first fall frost is November 6.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Lamar County gardeners in Zone 7a 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 Lamar County, AL. Local conditions may vary. Last updated: April 2026.