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When to plant Squash (Summer) in Wabash County, IN

In Zone 6a (Wabash County), direct-sow Squash (Summer) between May 1 and May 22 for spring, after the April 24 last-frost mark.

When to Plant Squash (Summer) in Wabash County, IN

Summer squash includes zucchini, yellow crookneck, and pattypan varieties that are harvested young and tender. They are prolific producers in warm weather.

Wabash County, Indiana is in USDA Zone 6a. The average last spring frost is April 24 and the first fall frost is October 17, giving you a growing season of approximately 176 days.

At an elevation of 1,313 feet, Wabash County receives approximately 37.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Squash (Summer) to ensure they mature before fall.

Wabash County, IN (Zone 6a) Moderate season
176 days
Last Spring Frost April 24
176 growing days
First Fall Frost October 17

Wabash County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Squash (Summer) Planting Timeline — Wabash County, IN

Squash (Summer) Planting Calendar

Activity When Date Range
Start Indoors March 20 Mar 20 – Apr 3
Transplant Outdoors May 8 May 8 – May 22
Direct Sow May 1 May 1 – May 22
Harvest June 26 Jun 26 – Aug 28

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 Harvest
July Harvest
August Harvest
September
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

45–65 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

176 days in Wabash County

Growing Tips for Wabash County

Direct sow after last frost on mounds. Harvest frequently when fruits are 6-8 inches for best texture. Check plants daily as they grow rapidly in summer heat.

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 (Summer) in Wabash County, IN?

Wabash County is in Zone 6a with an average last frost of April 24. Plan your Squash (Summer) planting based on this frost date — see the calendar above for exact timing.

What planting zone is Wabash County, IN?

Wabash County, Indiana is in USDA Hardiness Zone 6a. The average last spring frost is April 24 and first fall frost is October 17.

When should I plant Squash (Summer) in Wabash County, IN?

In Wabash County, IN, plant Squash (Summer) after the last frost (around April 24) and before the first frost (around October 17). Best results when soil holds above 50°F.

What growing zone is Wabash County, IN for Squash (Summer)?

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

Can Squash (Summer) grow in Wabash County's climate?

Yes — Squash (Summer) grows well in Wabash County's temperate climate. Wabash County averages a 176-day frost-free season, with last frost around April 24 and first frost around October 17.

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

Sources & credits

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