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When to Plant Lima Beans in Clark County, AR

Lima beans are a warm-season legume producing large, creamy beans with a buttery texture. Both bush and pole varieties are available, with pole types yielding more.

Clark County, Arkansas is in USDA Zone 7b. The average last spring frost is March 22 and the first fall frost is November 9, giving you a growing season of approximately 232 days.

At an elevation of 1,350 feet, Clark County receives approximately 45.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91ยฐF, providing good warmth for Lima Beans during the growing season.

Clark County, AR (Zone 7b) Long season
232 days
Last Spring Frost March 22
232 growing days
First Fall Frost November 9

Clark County Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (127 days to spare)
Transplant: Mar 13 🍅 Harvest: May 15 – Jun 26
Recommended (50%) ✓ Fits season (127 days to spare)
Transplant: Mar 22 🍅 Harvest: May 24 – Jul 5
Safe Start (90%) ✓ Fits season (123 days to spare)
Transplant: Apr 12 🍅 Harvest: Jun 14 – Jul 26

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
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Lima Beans needs ~1,369 GDD — county provides 4,234 GDD Excellent fit

Lima Beans Planting Timeline โ€” Clark County, AR

Lima Beans Planting Calendar

Activity When Date Range
Direct Sow March 29 Mar 29 โ€“ Apr 19
Harvest May 31 May 31 โ€“ Jul 12

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“90 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7b

Growing Season

232 days

Growing Tips for Clark County

Direct sow after soil is thoroughly warm at 65F or above. Do not soak seeds before planting as they may crack. Harvest when pods are plump but still green for fresh limas.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic
  • Fennel

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Frequently Asked Questions

When should I plant Lima Beans in Clark County, AR?

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

What planting zone is Clark County, AR?

Clark County, Arkansas is in USDA Hardiness Zone 7b. The average last spring frost is March 22 and first fall frost is November 9.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Clark 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 Clark County, AR. Local conditions may vary. Last updated: April 2026.