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When to plant Squash (Winter) in Lake County, IN

Plant Squash (Winter) in Lake County from April 29 to May 20 in spring. Lake County sits in USDA Zone 6a, with last frost around April 22 and first frost on October 26.

When to Plant Squash (Winter) in Lake County, IN

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

Lake County, Indiana is in USDA Zone 6a. The average last spring frost is April 22 and the first fall frost is October 26, giving you a growing season of approximately 187 days.

At an elevation of 1,276 feet, Lake County receives approximately 38 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Squash (Winter) to ensure they mature before fall.

Lake County, IN (Zone 6a) Moderate season
187 days
Last Spring Frost April 22
187 growing days
First Fall Frost October 26

Lake County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Squash (Winter) Planting Timeline — Lake County, IN

Squash (Winter) Planting Calendar

Activity When Date Range
Start Indoors March 18 Mar 18 – Apr 1
Transplant Outdoors May 6 May 6 – May 20
Direct Sow April 29 Apr 29 – May 20
Harvest July 29 Jul 29 – Sep 23

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors
April Start Indoors Direct Sow
May Transplant Outdoors Direct Sow
June
July Harvest
August Harvest
September Harvest
October
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 6a

📆 Growing Season

187 days in Lake County

Growing Tips for Lake 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 Lake County, IN?

Lake County is in Zone 6a with an average last frost of April 22. Plan your Squash (Winter) planting based on this frost date — see the calendar above for exact timing.

What planting zone is Lake County, IN?

Lake County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 22 and first fall frost is October 26.

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

In Lake County, IN, plant Squash (Winter) after the last frost (around April 22) and before the first frost (around October 26). Best results when soil holds above 50°F.

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

Lake County sits in USDA Zone 6a. Squash (Winter) grows reliably in zones 3a through 11b, so it's a good fit here.

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

Yes — Squash (Winter) grows well in Lake County's temperate climate. Lake County averages a 187-day frost-free season, with last frost around April 22 and first frost around October 26.

🌱

Your Lake County Garden Planner — Free

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

Sources & credits

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