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When to plant Zucchini in Vanderburgh County, IN

The best window to plant Zucchini in Vanderburgh County, is April 14–May 5, when soil warms to 50°F. Last frost typically hits April 7; first frost October 29.

When to Plant Zucchini in Vanderburgh County, IN

Zucchini

Zucchini is an incredibly prolific summer squash that can produce an abundance of fruit from just a few plants. It is versatile in the kitchen from grilling to baking.

Vanderburgh County, Indiana is in USDA Zone 7a. The average last spring frost is April 7 and the first fall frost is October 29, giving you a growing season of approximately 205 days.

At an elevation of 901 feet, Vanderburgh County receives approximately 40.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87°F, providing good warmth for Zucchini during the growing season.

Vanderburgh County, IN (Zone 7a) Long season
205 days
Last Spring Frost April 7
205 growing days
First Fall Frost October 29

Vanderburgh County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

How Much Zucchini to Grow

6-10 lbs
Average yield per plant
1
Plants per person
2 sq ft
Space per person

For a family of 4, plant approximately 4 zucchini plants in about 8 sq ft. In Vanderburgh County's 205-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Zucchini Planting Timeline — Vanderburgh County, IN

Zucchini Planting Calendar

Activity When Date Range
Start Indoors March 10 Mar 10 – Mar 24
Transplant Outdoors April 21 Apr 21 – May 5
Direct Sow April 14 Apr 14 – May 5
Harvest June 9 Jun 9 – Aug 4

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

Month-by-Month Timeline

MonthActivities
January
February
March Start Indoors
April Transplant Outdoors Direct Sow
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

45–60 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 7a

📆 Growing Season

205 days in Vanderburgh County

Growing Tips for Vanderburgh County

Direct sow after last frost. Harvest when fruits are 6-8 inches long for best flavor and texture. Check plants daily in summer as fruits can double in size overnight.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Zucchini in Vanderburgh County, IN?

Vanderburgh County is in Zone 7a with an average last frost of April 7. Plan your Zucchini planting based on this frost date — see the calendar above for exact timing.

What planting zone is Vanderburgh County, IN?

Vanderburgh County, Indiana is in USDA Hardiness Zone 7a. The average last spring frost is April 7 and first fall frost is October 29.

When should I plant Zucchini in Vanderburgh County, IN?

In Vanderburgh County, IN, plant Zucchini after the last frost (around April 7) and before the first frost (around October 29). Best results when soil holds above 50°F.

What growing zone is Vanderburgh County, IN for Zucchini?

Vanderburgh County sits in USDA Zone 7a. Zucchini grows reliably in zones 3a through 11b, so it's a good fit here.

Can Zucchini grow in Vanderburgh County's climate?

Yes — Zucchini grows well in Vanderburgh County's temperate climate. Vanderburgh County averages a 205-day frost-free season, with last frost around April 7 and first frost around October 29.

🌱

Your Vanderburgh County Garden Planner — Free

A 22-page printable planner built for Vanderburgh County (Zone 7a). 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 Vanderburgh County, IN. Local conditions may vary. Last updated: July 2026.

Sources & credits

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