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When to Plant Lima Beans in Carter County, OK

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.

Carter County, Oklahoma is in USDA Zone 7b. The average last spring frost is March 28 and the first fall frost is November 2, giving you a growing season of approximately 219 days.

At an elevation of 648 feet, Carter County receives approximately 34.2 inches of rainfall annually with predominantly loam soil. Summer highs average 93Β°F, providing good warmth for Lima Beans during the growing season.

Carter County, OK (Zone 7b) Long season
219 days
Last Spring Frost March 28
219 growing days
First Fall Frost November 2

Carter County Soil Profile

Soil Type

Loam

Soil pH

6.4-7.5

Drainage

Well Drained

Monthly Watering Guide for Lima Beans

Lima Beans needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Lima Beans Needs Rainfall You Supplement Action
Jan β€” 0.8" 0" ❄️ Dormant
Feb β€” 1.3" 0" ❄️ Dormant
Mar 4.3" 1.9" 2.4" 🚿 Regular watering
Apr 4.3" 3.1" 1.2" πŸ’§ Light watering
May 4.3" 5.8" 0" βœ… Rainfall sufficient
Jun 4.3" 6" 0" βœ… Rainfall sufficient
Jul 4.3" 4.3" 0" βœ… Rainfall sufficient
Aug 4.3" 3.9" 0.4" πŸ’§ Light watering
Sep 4.3" 2.8" 1.5" πŸ’§ Light watering
Oct 4.3" 2.3" 2" πŸ’§ Light watering
Nov 4.3" 1.2" 3.1" 🚿 Regular watering
Dec β€” 0.9" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Carter County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Lima Beans Planting Timeline β€” Carter County, OK

Lima Beans Planting Calendar

Activity When Date Range
Direct Sow April 4 Apr 4 – Apr 25
Harvest June 6 Jun 6 – Jul 18

Plant 1" deep Β· 15" apart Β· Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

60–90 days

πŸ§ͺ Soil pH

Needs 6–7 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 7b

πŸ“† Growing Season

219 days in Carter County

Growing Tips for Carter 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Lima Beans in Carter County, OK?

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

What planting zone is Carter County, OK?

Carter County, Oklahoma is in USDA Hardiness Zone 7b. The average last spring frost is March 28 and first fall frost is November 2.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Carter County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Carter County, OK. Local conditions may vary. Last updated: April 2026.