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When to plant Lima Beans in Philo,

Lima Beans planted in Philo between April 21 and May 12 matures in 90 days — well before the October 19 first frost.

When to Plant Lima Beans in Philo, IL

Philo, IL Zone 6a June

Top priorities for Philo, IL gardeners in June

Your garden in Philo, IL is working on a schedule, even when you're not. Here's where you should be this June.

Avg. last frost April 14
Avg. first frost October 19
Soil temp (4") 68°F
Watering Low
Pest pressure High
Daylight 14.8 hrs
  1. Start harvesting lima beans

    Taste as you pick. The first ripe produce is the best feedback loop you'll get all season.

A few tasks this June that'll pay off in July
  • First harvests: lima beans

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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.

Philo, Illinois is in USDA Zone 6a. The average last spring frost is April 14 and the first fall frost is October 19, giving you a growing season of approximately 188 days.

At an elevation of 1,215 feet, Champaign County receives approximately 38.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Lima Beans during the growing season.

Philo, IL (Zone 6a) Moderate season
188 days
Last Spring Frost April 14
188 growing days
First Fall Frost October 19
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Philo Soil Profile

Soil Type

Silt Loam

Soil pH

5.9-6.8

Drainage

Well Drained

Lima Beans Planting Risk Windows

Early Start (70% safe) ✓ Fits season (84 days to spare)
Transplant: Apr 8 🍅 Harvest: Jun 10 – Jul 22
Recommended (50%) ✓ Fits season (83 days to spare)
Transplant: Apr 14 🍅 Harvest: Jun 16 – Jul 28
Safe Start (90%) ✓ Fits season (86 days to spare)
Transplant: Apr 24 🍅 Harvest: Jun 26 – Aug 7

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 Philo

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

Soil pH

Your soil pH (5.9–6.8) overlaps with Lima Beans's range (6.0–7.0), though not a perfect match.

Soil Texture

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

Organic Matter

Organic matter is excellent (4.2%) — Lima Beans will thrive.

How to Plant Lima Beans

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

Succession Planting Lima Beans

3
successive plantings in your 188-day season

Sow every 6.9 weeks. Last sowing by Jul 21 to harvest before frost.

Lima Beans Water Budget

Plant needs
0.9″/week
Rainfall provides
0.9″/week
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 52 gal / 100 sq ft

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 1.6" 0" ❄️ Dormant
Feb 1.8" 0" ❄️ Dormant
Mar 2.5" 0" ❄️ Dormant
Apr 3.9" 3.6" 0.3" 💧 Light watering
May 3.9" 4.6" 0" ✅ Rainfall sufficient
Jun 3.9" 4.5" 0" ✅ Rainfall sufficient
Jul 3.9" 4.4" 0" ✅ Rainfall sufficient
Aug 3.9" 3.9" 0" ✅ Rainfall sufficient
Sep 3.9" 4" 0" ✅ Rainfall sufficient
Oct 3.9" 3.1" 0.8" 💧 Light watering
Nov 2.7" 0" ❄️ Dormant
Dec 2.4" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Champaign 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 ~1,144 GDD — county provides 2,867 GDD Excellent fit

Lima Beans Planting Timeline — Philo, IL

Lima Beans Planting Calendar

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

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
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.9"/week · Only during dry spells

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 6a

📆 Growing Season

188 days in Champaign County

Growing Tips for Lima Beans in Philo

Direct sow Lima Beans outdoors after April 14 in Champaign 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 →

When should I plant Lima Beans in Philo, ?

In Philo, , plant Lima Beans after the last frost (around April 14) and before the first frost (around October 19). Best results when soil holds above 50°F.

What growing zone is Philo, for Lima Beans?

Philo 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 Philo's climate?

Yes — Lima Beans grows well in Philo's temperate climate. Philo averages a 188-day frost-free season, with last frost around April 14 and first frost around October 19.

🌱

Your Champaign County Garden Planner — Free

A 22-page printable planner built for Champaign 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 Champaign County, IL. Local conditions may vary. Last updated: June 2026.