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When to Plant Christmas Lima Beans in Clayton County, GA

Christmas lima beans are a large, beautifully marbled heirloom bean with a rich, chestnut-like flavor. They are a climbing variety that produces generously in warm weather.

Clayton County, Georgia is in USDA Zone 7b. The average last spring frost is March 28 and the first fall frost is November 3, giving you a growing season of approximately 220 days.

At an elevation of 136 feet, Clayton County receives approximately 56.2 inches of rainfall annually with predominantly clay loam soil. Summer highs average 92ยฐF, providing good warmth for Christmas Lima Beans during the growing season. Clay soil retains moisture well for Christmas Lima Beans, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Christmas Lima Beans root diseases.

Clayton County, GA (Zone 7b) Long season
220 days
Last Spring Frost March 28
220 growing days
First Fall Frost November 3

Clayton County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (88 days to spare)
Start indoors: Feb 1 Transplant: Apr 5 🍅 Harvest: Jun 28 – Aug 2
Recommended (50%) ✓ Fits season (87 days to spare)
Start indoors: Feb 7 Transplant: Apr 11 🍅 Harvest: Jul 4 – Aug 8
Safe Start (90%) ✓ Fits season (82 days to spare)
Start indoors: Feb 28 Transplant: May 2 🍅 Harvest: Jul 25 – Aug 29

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
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Christmas Lima Beans needs ~1,710 GDD — county provides 4,180 GDD Excellent fit

Christmas Lima Beans Planting Timeline โ€” Clayton County, GA

Christmas Lima Beans Planting Calendar

Activity When Date Range
Start Indoors February 7 Feb 7 โ€“ Feb 21
Transplant Outdoors April 11 Apr 11 โ€“ Apr 25
Direct Sow April 4 Apr 4 โ€“ Apr 25
Harvest July 4 Jul 4 โ€“ Aug 8

Plant 1" deep ยท 15" apart ยท Rows 24" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors
March โ€”
April Transplant Outdoors Direct Sow
May โ€”
June โ€”
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

80โ€“100 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7b

Growing Season

220 days

Growing Tips for Clayton County

Direct sow after soil is warm. Provide tall trellising for vigorous vines. Harvest for fresh shelling when pods are plump or allow to dry on the vine for storage.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

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Frequently Asked Questions

When should I plant Christmas Lima Beans in Clayton County, GA?

Clayton County is in Zone 7b with an average last frost of March 28. Plan your Christmas Lima Beans planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Clayton County, GA?

Clayton County, Georgia is in USDA Hardiness Zone 7b. The average last spring frost is March 28 and first fall frost is November 3.

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