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When to Plant Lima Beans in Clay County, KS

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.

Clay County, Kansas is in USDA Zone 5b. The average last spring frost is April 14 and the first fall frost is October 23, giving you a growing season of approximately 192 days.

At an elevation of 519 feet, Clay County receives approximately 28 inches of rainfall annually with predominantly loam soil. Summer highs average 85ยฐF, providing good warmth for Lima Beans during the growing season.

Clay County, KS (Zone 5b) Moderate season
192 days
Last Spring Frost April 14
192 growing days
First Fall Frost October 23

Clay County Soil Profile

Soil Type

Loam

Soil pH

6.8-7.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (81 days to spare)
Transplant: Apr 11 🍅 Harvest: Jun 13 – Jul 25
Recommended (50%) ✓ Fits season (87 days to spare)
Transplant: Apr 14 🍅 Harvest: Jun 16 – Jul 28
Safe Start (90%) ✓ Fits season (84 days to spare)
Transplant: Apr 27 🍅 Harvest: Jun 29 – Aug 10

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
0.6″/week
You supply
0.8″/week
Watering frequency 2-3 times/week
Season total 1,410 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Lima Beans needs ~1,031 GDD — county provides 2,640 GDD Excellent fit

Lima Beans Planting Timeline โ€” Clay County, KS

Lima Beans Planting Calendar

Activity When Date Range
Direct Sow April 21 Apr 21 โ€“ May 12
Harvest June 23 Jun 23 โ€“ Aug 4

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

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March โ€”
April Direct Sow
May Direct Sow
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

60โ€“90 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 5b

Growing Season

192 days

Growing Tips for Clay 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 Clay County, KS?

Clay County is in Zone 5b with an average last frost of April 14. Plan your Lima Beans planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Clay County, KS?

Clay County, Kansas is in USDA Hardiness Zone 5b. The average last spring frost is April 14 and first fall frost is October 23.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Clay County gardeners in Zone 5b 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 Clay County, KS. Local conditions may vary. Last updated: April 2026.