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When to plant Zucchini in LaGrange County, IN

In LaGrange County, plant Zucchini in spring between May 5 and May 26, once soil temps hold above 50°F. LaGrange 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 45–60 days before the first frost on October 16.

When to Plant Zucchini in LaGrange 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.

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 Zucchini 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

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 LaGrange County's 171-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Monthly Watering Guide for Zucchini

Zucchini needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Zucchini 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.

Zucchini Planting Timeline — LaGrange County, IN

Zucchini 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 June 30 Jun 30 – Aug 25

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

45–60 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

171 days in LaGrange County

Growing Tips for LaGrange 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 LaGrange County, IN?

LaGrange County is in Zone 6a with an average last frost of April 28. Plan your Zucchini 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 Zucchini in LaGrange County, IN?

In LaGrange County, IN, plant Zucchini 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, IN for Zucchini?

LaGrange County sits in USDA Zone 6a. Zucchini grows reliably in zones 3a through 11b, so it's a good fit here.

Can Zucchini grow in LaGrange County's climate?

Yes — Zucchini 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: July 2026.

Sources & credits

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