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When to Plant Christmas Lima Beans in Forsyth 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.

Forsyth County, Georgia is in USDA Zone 7b. The average last spring frost is March 22 and the first fall frost is November 13, giving you a growing season of approximately 236 days.

At an elevation of 59 feet, Forsyth County receives approximately 57.9 inches of rainfall annually with predominantly clay loam soil. Summer highs average 89ยฐF, 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.

Forsyth County, GA (Zone 7b) Long season
236 days
Last Spring Frost March 22
236 growing days
First Fall Frost November 13

Forsyth County Soil Profile

Soil Type

Clay Loam

Soil pH

5.6-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (106 days to spare)
Start indoors: Jan 22 Transplant: Mar 26 🍅 Harvest: Jun 18 – Jul 23
Recommended (50%) ✓ Fits season (103 days to spare)
Start indoors: Feb 1 Transplant: Apr 5 🍅 Harvest: Jun 28 – Aug 2
Safe Start (90%) ✓ Fits season (103 days to spare)
Start indoors: Feb 18 Transplant: Apr 22 🍅 Harvest: Jul 15 – Aug 19

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
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Christmas Lima Beans needs ~1,508 GDD — county provides 3,953 GDD Excellent fit

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

Christmas Lima Beans Planting Calendar

Activity When Date Range
Start Indoors February 1 Feb 1 โ€“ Feb 15
Transplant Outdoors April 5 Apr 5 โ€“ Apr 19
Direct Sow March 29 Mar 29 โ€“ Apr 19
Harvest June 28 Jun 28 โ€“ Aug 2

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

Month-by-Month Timeline

MonthActivities
January โ€”
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

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

236 days

Growing Tips for Forsyth 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 Forsyth County, GA?

Forsyth County is in Zone 7b with an average last frost of March 22. Plan your Christmas Lima Beans planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Forsyth County, GA?

Forsyth County, Georgia is in USDA Hardiness Zone 7b. The average last spring frost is March 22 and first fall frost is November 13.

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Plan Your Garden with Confidence

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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 Forsyth County, GA. Local conditions may vary. Last updated: April 2026.