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When to plant Lima Beans in Atchison County, KS

Atchison County gardeners should plant Lima Beans between April 24 and May 15 in spring. With Atchison County's Zone 6a climate (last frost April 17), Lima Beans needs 60–90 days to mature — plant by July 23 for a full harvest.

When to Plant Lima Beans in Atchison County, KS

Atchison County, Kansas Zone 6a June

Your June gardening checklist

Each item below is timed to Atchison County, Kansas's frost dates and soil temperatures. Skip nothing, stress about nothing.

Avg. last frost April 17
Avg. first frost October 21
Soil temp (4") 70°F
Watering Low
Pest pressure High
Daylight 14.8 hrs

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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.

Atchison County, Kansas is in USDA Zone 6a. The average last spring frost is April 17 and the first fall frost is October 21, giving you a growing season of approximately 187 days.

At an elevation of 678 feet, Atchison County receives approximately 25.2 inches of rainfall annually with predominantly loam soil. Summer highs average 84°F, so choose short-season varieties of Lima Beans to ensure they mature before fall.

Atchison County, KS (Zone 6a) Moderate season
187 days
Last Spring Frost April 17
187 growing days
First Fall Frost October 21

Atchison County Soil Profile

Soil Type

Loam

Soil pH

6.4-7.8

Drainage

Well Drained

Lima Beans Planting Risk Windows

Early Start (70% safe) ✓ Fits season (77 days to spare)
Transplant: Apr 12 🍅 Harvest: Jun 14 – Jul 26
Recommended (50%) ✓ Fits season (82 days to spare)
Transplant: Apr 17 🍅 Harvest: Jun 19 – Jul 31
Safe Start (90%) ✓ Fits season (86 days to spare)
Transplant: May 2 🍅 Harvest: Jul 4 – Aug 15

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.

Soil Compatibility in Atchison County

How your county's soil matches Lima Beans's growing requirements.

Soil pH

Your soil pH (6.4–7.8) is more alkaline than Lima Beans prefers (6.0–7.0). Add sulfur or peat moss to lower pH.

Soil Texture

The loam soil in Atchison County is excellent for Lima Beans — good drainage, moisture retention, and nutrient holding capacity.

Drainage

Drainage is adequate for Lima Beans.

Organic Matter

Organic matter is moderate (3.5%). Annual compost additions will help Lima Beans.

How to Plant Lima Beans

1"
Planting Depth
15"
Between Plants
24"
Between Rows

Succession Planting Lima Beans

3
successive plantings in your 187-day season

Sow every 6.9 weeks. Last sowing by Jul 23 to harvest before frost.

Lima Beans Water Budget

Plant needs
0.9″/week
Rainfall provides
0.6″/week
You supply
0.7″/week
Watering frequency 2-3 times/week
Season total 1,206 gal / 100 sq ft
Drought risk

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Lima Beans

Lima Beans needs approximately 0.9 inches of water per week (3.9" per month). Here's how your county's rainfall compares month by month.

Month Lima Beans Needs Rainfall You Supplement Action
Jan 0.6" 0" ❄️ Dormant
Feb 0.8" 0" ❄️ Dormant
Mar 1.8" 0" ❄️ Dormant
Apr 3.9" 2.5" 1.4" 💧 Light watering
May 3.9" 3.4" 0.5" 💧 Light watering
Jun 3.9" 4.2" 0" ✅ Rainfall sufficient
Jul 3.9" 3.5" 0.4" 💧 Light watering
Aug 3.9" 2.9" 1" 💧 Light watering
Sep 3.9" 2.1" 1.8" 💧 Light watering
Oct 3.9" 1.9" 2" 🚿 Regular watering
Nov 0.9" 0" ❄️ Dormant
Dec 0.6" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Atchison County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Lima Beans Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Lima Beans needs ~975 GDD — county provides 2,431 GDD Excellent fit

Lima Beans Planting Timeline — Atchison County, KS

Lima Beans Planting Calendar

Activity When Date Range
Direct Sow April 24 Apr 24 – May 15
Harvest June 26 Jun 26 – Aug 7

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.9"/week · 2-3 times/week

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 6a

📆 Growing Season

187 days in Atchison County

Growing Tips for Lima Beans in Atchison County

Direct sow Lima Beans outdoors after April 17 in Atchison County when soil has warmed and frost danger has passed.

Common pests for Lima Beans in this region include bean beetles and aphids. Use row covers early in the season and inspect plants weekly.

General growing tips

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 Atchison County, KS?

Atchison County is in Zone 6a with an average last frost of April 17. Plan your Lima Beans planting based on this frost date — see the calendar above for exact timing.

What planting zone is Atchison County, KS?

Atchison County, Kansas is in USDA Hardiness Zone 6a. The average last spring frost is April 17 and first fall frost is October 21.

When should I plant Lima Beans in Atchison County, KS?

In Atchison County, KS, plant Lima Beans after the last frost (around April 17) and before the first frost (around October 21). Best results when soil holds above 50°F.

What growing zone is Atchison County, KS for Lima Beans?

Atchison County sits in USDA Zone 6a. Lima Beans grows reliably in zones 3a through 11b, so it's a good fit here.

Can Lima Beans grow in Atchison County's climate?

Yes — Lima Beans grows well in Atchison County's temperate climate. Atchison County averages a 187-day frost-free season, with last frost around April 17 and first frost around October 21.

🌱

Your Atchison County Garden Planner — Free

A 22-page printable planner built for Atchison County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Atchison County, KS. Local conditions may vary. Last updated: June 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.