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When to Plant Snow Peas in Hancock County, IL

Hancock County, Illinois Zone 6a May

May to-do list for Hancock County, Illinois

We've pulled the most time-sensitive tasks for Hancock County, Illinois this May and put them front and centre. Tackle them in order.

Avg. last frost April 14
Avg. first frost October 18
Soil temp (4") 58°F
Watering Low
Pest pressure Low
Daylight 14.2 hrs
  1. Time to start snow peas inside

    Label every cell. You will absolutely forget which is which otherwise.

June will be here before you know it — start on
  • First harvests: snow peas

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Snow peas are a flat-podded pea variety eaten whole when the seeds inside are still tiny. They are essential in Asian stir-fries and have a delicate, sweet flavor.

Hancock County, Illinois is in USDA Zone 6a. The average last spring frost is April 14 and the first fall frost is October 18, giving you a growing season of approximately 187 days.

At an elevation of 758 feet, Hancock County receives approximately 37.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Snow Peas during the growing season.

Hancock County, IL (Zone 6a) Moderate season
187 days
Last Spring Frost April 14
187 growing days
First Fall Frost October 18

Hancock County Soil Profile

Soil Type

Silt Loam

Soil pH

5.9-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (74 days to spare)
Start indoors: Mar 5 Transplant: Apr 9 🍅 Harvest: Jun 4 – Jul 30
Recommended (50%) ✓ Fits season (75 days to spare)
Start indoors: Mar 10 Transplant: Apr 14 🍅 Harvest: Jun 9 – Aug 4
Safe Start (90%) ✓ Fits season (73 days to spare)
Start indoors: Mar 25 Transplant: Apr 29 🍅 Harvest: Jun 24 – Aug 19

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 Hancock County

How your county's soil matches Snow Peas's growing requirements.

Soil pH

Your soil pH (5.9–6.8) overlaps with Snow Peas's range (6.0–7.5), though not a perfect match.

Soil Texture

The silt loam soil in Hancock County is excellent for Snow Peas — good drainage, moisture retention, and nutrient holding capacity.

Drainage

Drainage is adequate for Snow Peas.

Organic Matter

Organic matter is excellent (4.9%) — Snow Peas will thrive.

How to Plant Snow Peas

1"
Planting Depth
4"
Between Plants
18"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Snow Peas

4
successive plantings in your 187-day season

Sow every 5.7 weeks. Last sowing by Aug 14 to harvest before frost.

For a dedicated fall crop, sow by Aug 09.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.8″/week
You supply
0.5″/week
Watering frequency 1-2 times/week
Season total 777 gal / 100 sq ft

Monthly Watering Guide for Snow Peas

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

Month Snow Peas Needs Rainfall You Supplement Action
Jan 1.5" 0" ❄️ Dormant
Feb 1.5" 0" ❄️ Dormant
Mar 2.7" 0" ❄️ Dormant
Apr 4.3" 3.1" 1.2" 💧 Light watering
May 4.3" 4.2" 0.1" 💧 Light watering
Jun 4.3" 4.4" 0" ✅ Rainfall sufficient
Jul 4.3" 4.6" 0" ✅ Rainfall sufficient
Aug 4.3" 4.2" 0.1" 💧 Light watering
Sep 4.3" 3.3" 1" 💧 Light watering
Oct 4.3" 3.1" 1.2" 💧 Light watering
Nov 2.7" 0" ❄️ Dormant
Dec 1.8" 0" ❄️ Dormant

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

Snow Peas 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.

Snow Peas needs ~877 GDD — county provides 2,851 GDD Excellent fit

Snow Peas Planting Timeline — Hancock County, IL

Snow Peas Planting Calendar

Activity When Date Range
Start Indoors March 10 Mar 10 – Mar 24
Transplant Outdoors April 14 Apr 14 – Apr 28
Direct Sow March 31 Mar 31 – Apr 21
Harvest June 9 Jun 9 – Aug 4
Fall Sowing August 9 Aug 9 – Aug 23

Plant 1" deep · 4" apart · Rows 18" apart

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors Direct Sow
April Transplant Outdoors Direct Sow
May
June Harvest
July Harvest
August Fall Sowing Harvest
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · 1-2 times/week

📅 Days to Maturity

50–65 days

🧪 Soil pH

Needs 6–7.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 6a

📆 Growing Season

187 days in Hancock County

Growing Tips for Snow Peas in Hancock County

Direct sow Snow Peas outdoors after April 14 in Hancock County when soil has warmed and frost danger has passed.

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

General growing tips

Direct sow in early spring. Pick pods frequently when they are flat and tender for best flavor. Provide support for climbing varieties.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Snow Peas in Hancock County, IL?

Hancock County is in Zone 6a with an average last frost of April 14. Plan your Snow Peas planting based on this frost date — see the calendar above for exact timing.

What planting zone is Hancock County, IL?

Hancock County, Illinois is in USDA Hardiness Zone 6a. The average last spring frost is April 14 and first fall frost is October 18.

🌱

Your Hancock County Garden Planner — Free

A 24-page printable planner built for Hancock 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 Hancock County, IL. Local conditions may vary. Last updated: May 2026.

Sources & credits

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