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

In LaGrange County County, plant Squash (Winter) in spring between May 5 and May 26, once soil temps hold above 50°F. LaGrange County County's last frost averages April 28, so time plantings around the expected last-frost window for best survival. For a fall crop, sow between and — roughly 120 days before the first frost on October 16.

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

LaGrange County, Indiana Zone 6a June

June to-do list for LaGrange County, Indiana

Your LaGrange County, Indiana garden is entering a new phase. Here's what's on the schedule for June and why each task matters now.

Avg. last frost April 28
Avg. first frost October 16
Soil temp (4") 69°F
Watering Low
Pest pressure High
Daylight 15 hrs
  1. Fire up the seed-starting tray: squash (winter)

    These need a head start before your last frost (April 28). 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.

LaGrange County, Indiana is in USDA Zone 6a. The average last spring frost is April 28 and the first fall frost is October 16, giving you a growing season of approximately 171 days.

At an elevation of 651 feet, LaGrange County receives approximately 41.5 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Squash (Winter) during the growing season.

LaGrange County, IN (Zone 6a) Moderate season
171 days
Last Spring Frost April 28
171 growing days
First Fall Frost October 16

LaGrange County Soil Profile

Soil Type

Silt Loam

Soil pH

5.9-7.1

Drainage

Well Drained

Squash (Winter) Planting Risk Windows

Early Start (70% safe) ✓ Fits season (13 days to spare)
Start indoors: Mar 21 Transplant: May 9 🍅 Harvest: Aug 1 – Sep 26
Recommended (50%) ✓ Fits season (17 days to spare)
Start indoors: Mar 24 Transplant: May 12 🍅 Harvest: Aug 4 – Sep 29
Safe Start (90%) ✓ Fits season (11 days to spare)
Start indoors: Apr 10 Transplant: May 29 🍅 Harvest: Aug 21 – Oct 16

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 LaGrange County

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

Soil pH

Your soil pH (5.9–7.1) overlaps with Squash (Winter)'s range (6.0–7.0), though not a perfect match.

Soil Texture

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

Organic Matter

Organic matter is excellent (5.1%) — 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 171-day season

Sow every 9.1 weeks. Last sowing by Jun 18 to harvest before frost.

Squash (Winter) Water Budget

Plant needs
1.0″/week
Rainfall provides
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 — consider drought-tolerant varieties and mulching

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 1.6" 0" ❄️ Dormant
Feb 1.7" 0" ❄️ Dormant
Mar 2.8" 0" ❄️ Dormant
Apr 4.3" 4.4" 0" ✅ Rainfall sufficient
May 4.3" 5.2" 0" ✅ Rainfall sufficient
Jun 4.3" 4.9" 0" ✅ Rainfall sufficient
Jul 4.3" 5.1" 0" ✅ Rainfall sufficient
Aug 4.3" 4.3" 0" ✅ Rainfall sufficient
Sep 4.3" 3.3" 1" 💧 Light watering
Oct 4.3" 3" 1.3" 💧 Light watering
Nov 2.8" 0" ❄️ Dormant
Dec 2.2" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in LaGrange 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 ~1,525 GDD — county provides 2,607 GDD Excellent fit

Squash (Winter) Planting Timeline — LaGrange County, IN

Squash (Winter) Planting Calendar

Activity When Date Range
Start Indoors March 24 Mar 24 – Apr 7
Transplant Outdoors May 12 May 12 – May 26
Direct Sow May 5 May 5 – May 26
Harvest August 4 Aug 4 – Sep 29

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
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · Natural rainfall sufficient

📅 Days to Maturity

80–120 days

🧪 Soil pH

Needs 6–7 · Your soil: acceptable

🗺️ USDA Zone

Zone 6a

📆 Growing Season

171 days in LaGrange County

Growing Tips for Squash (Winter) in LaGrange County

Direct sow Squash (Winter) outdoors after April 28 in LaGrange 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 LaGrange County, IN?

LaGrange County is in Zone 6a with an average last frost of April 28. Plan your Squash (Winter) planting based on this frost date — see the calendar above for exact timing.

What planting zone is LaGrange County, IN?

LaGrange County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 28 and first fall frost is October 16.

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

In LaGrange County, , plant Squash (Winter) after the last frost (around April 28) and before the first frost (around October 16). Best results when soil holds above 50°F.

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

LaGrange 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 LaGrange County's climate?

Yes — Squash (Winter) grows well in LaGrange County's temperate climate. LaGrange County averages a 171-day frost-free season, with last frost around April 28 and first frost around October 16.

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Your LaGrange County Garden Planner — Free

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

Sources & credits

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