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When to plant Squash (Winter) in Freeborn County, MN

For Freeborn County, gardeners: plant Squash (Winter) May 8 through May 29 once soil reads 50°F.

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

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

Freeborn County, Minnesota is in USDA Zone 5a. The average last spring frost is May 1 and the first fall frost is October 7, giving you a growing season of approximately 159 days.

At an elevation of 1,253 feet, Freeborn County receives approximately 34.7 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.

Freeborn County, MN (Zone 5a) Moderate season
159 days
Last Spring Frost May 1
159 growing days
First Fall Frost October 7

Freeborn County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Squash (Winter) Planting Timeline — Freeborn County, MN

Squash (Winter) Planting Calendar

Activity When Date Range
Start Indoors March 27 Mar 27 – Apr 10
Transplant Outdoors May 15 May 15 – May 29
Direct Sow May 8 May 8 – May 29
Harvest August 7 Aug 7 – Oct 2

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
July
August Harvest
September Harvest
October Harvest
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

80–120 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 5a

📆 Growing Season

159 days in Freeborn County

Growing Tips for Freeborn County

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 Freeborn County, MN?

Freeborn County is in Zone 5a with an average last frost of May 1. Plan your Squash (Winter) planting based on this frost date — see the calendar above for exact timing.

What planting zone is Freeborn County, MN?

Freeborn County, Minnesota is in USDA Hardiness Zone 5a. The average last spring frost is May 1 and first fall frost is October 7.

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

In Freeborn County, MN, plant Squash (Winter) after the last frost (around May 1) and before the first frost (around October 7). Best results when soil holds above 50°F.

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

Freeborn County sits in USDA Zone 5a. Squash (Winter) grows reliably in zones 3a through 11b, so it's a good fit here.

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

Yes — Squash (Winter) grows well in Freeborn County's temperate climate. Freeborn County averages a 159-day frost-free season, with last frost around May 1 and first frost around October 7.

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Your Freeborn County Garden Planner — Free

A 22-page printable planner built for Freeborn County (Zone 5a). 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 Freeborn County, MN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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