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When to plant Squash (Winter) in McLeod County County,

In McLeod County County, plant Squash (Winter) in spring between May 14 and June 4, once soil temps hold above 50°F. McLeod County County's last frost averages April 30, so be cautious and check the 10-day forecast before planting tender crops. For a fall crop, sow between and — roughly 120 days before the first frost on October 4.

When to Plant Squash (Winter) in McLeod County, MN

McLeod County, Minnesota Zone 4b June

McLeod County, Minnesota gardeners: here's your June plan

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

Avg. last frost April 30
Avg. first frost October 4
Soil temp (4") 66°F
Watering Low
Pest pressure High
Daylight 15.4 hrs
  1. Indoor seed-starting week for squash (winter)

    These need a head start before your last frost (April 30). Sow into cells now so you're ready to transplant in a few weeks.

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Winter squash includes butternut, acorn, delicata, and hubbard varieties grown to full maturity with hard rinds for storage. They develop sweet, dense flesh.

McLeod County, Minnesota is in USDA Zone 4b. The average last spring frost is April 30 and the first fall frost is October 4, giving you a growing season of approximately 157 days.

At an elevation of 1,011 feet, McLeod County receives approximately 36.4 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Squash (Winter) to ensure they mature before fall.

McLeod County, MN (Zone 4b) Moderate season
157 days
Last Spring Frost April 30
157 growing days
First Fall Frost October 4

McLeod County Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-7.3

Drainage

Well Drained

Squash (Winter) Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Start indoors: Mar 13 Transplant: May 15 🍅 Harvest: Aug 7 – Oct 2
Recommended (50%) ✗ May not fit
Start indoors: Mar 19 Transplant: May 21 🍅 Harvest: Aug 13 – Oct 8
Safe Start (90%) ✗ May not fit
Start indoors: Apr 3 Transplant: Jun 5 🍅 Harvest: Aug 28 – Oct 23

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 McLeod County

How your county's soil matches Squash (Winter)'s growing requirements.

Soil pH

Your soil pH (5.7–7.3) overlaps with Squash (Winter)'s range (6.0–7.0), though not a perfect match.

Soil Texture

The silt loam soil in McLeod County is excellent for Squash (Winter) — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is excellent (5.0%) — Squash (Winter) will thrive.

How to Plant Squash (Winter)

1"
Planting Depth
30"
Between Plants
42"
Between Rows

Succession Planting Squash (Winter)

2
successive plantings in your 157-day season

Sow every 9.1 weeks. Last sowing by Jun 06 to harvest before frost.

Squash (Winter) Water Budget

Plant needs
1.0″/week
Rainfall provides
1.0″/week
You supply
0.0″/week
Watering frequency Only during dry spells
Season total 37 gal / 100 sq ft

Monthly Watering Guide for Squash (Winter)

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

Month Squash (Winter) Needs Rainfall You Supplement Action
Jan 1.3" 0" ❄️ Dormant
Feb 1.5" 0" ❄️ Dormant
Mar 2.4" 0" ❄️ Dormant
Apr 4.3" 3.8" 0.5" 💧 Light watering
May 4.3" 3.9" 0.4" 💧 Light watering
Jun 4.3" 4.9" 0" ✅ Rainfall sufficient
Jul 4.3" 4.4" 0" ✅ Rainfall sufficient
Aug 4.3" 4" 0.3" 💧 Light watering
Sep 4.3" 2.8" 1.5" 💧 Light watering
Oct 4.3" 3.1" 1.2" 💧 Light watering
Nov 2.6" 0" ❄️ Dormant
Dec 1.8" 0" ❄️ Dormant

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

Squash (Winter) 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.

Squash (Winter) needs ~1,300 GDD — county provides 2,041 GDD Excellent fit

Squash (Winter) Planting Timeline — McLeod County, MN

Squash (Winter) Planting Calendar

Activity When Date Range
Start Indoors March 19 Mar 19 – Apr 2
Transplant Outdoors May 21 May 21 – Jun 4
Direct Sow May 14 May 14 – Jun 4
Harvest August 13 Aug 13 – Oct 8

Plant 1" deep · 30" apart · Rows 42" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · Only during dry spells

📅 Days to Maturity

80–120 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 4b

📆 Growing Season

157 days in McLeod County

Growing Tips for Squash (Winter) in McLeod County

Direct sow Squash (Winter) outdoors after April 30 in McLeod County when soil has warmed and frost danger has passed.

Common pests for Squash (Winter) in this region include squash vine borer and cucumber beetles. Use row covers early in the season and inspect plants weekly.

General growing tips

Direct sow after last frost on rich mounds. Allow ample space for sprawling vines. Cure harvested fruits in the sun for 10 days before storing in a cool, dry place.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Squash (Winter) in McLeod County, MN?

McLeod County is in Zone 4b with an average last frost of April 30. Plan your Squash (Winter) planting based on this frost date — see the calendar above for exact timing.

What planting zone is McLeod County, MN?

McLeod County, Minnesota is in USDA Hardiness Zone 4b. The average last spring frost is April 30 and first fall frost is October 4.

When should I plant Squash (Winter) in McLeod County County, ?

In McLeod County County, , plant Squash (Winter) after the last frost (around April 30) and before the first frost (around October 4). Best results when soil holds above 50°F.

What growing zone is McLeod County County, for Squash (Winter)?

McLeod County County sits in USDA Zone 4b. Squash (Winter) grows reliably in zones 3a through 11b, so it's a good fit here.

Can Squash (Winter) grow in McLeod County County's climate?

Yes — Squash (Winter) grows well in McLeod County County's temperate climate. McLeod County County averages a 157-day frost-free season, with last frost around April 30 and first frost around October 4.

🌱

Your McLeod County Garden Planner — Free

A 22-page printable planner built for McLeod County (Zone 4b). 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 McLeod County, MN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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