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When to plant Sweet Corn in Luce County, MI

Plant Sweet Corn in Luce County during the brief May 29–June 19 window. With 134 frost-free days, fall plantings can't mature before October 3.

When to Plant Sweet Corn in Luce County, MI

Sweet corn is bred for high sugar content in its kernels, which convert to starch rapidly after harvest. Modern supersweet varieties hold their sweetness longer.

Luce County, Michigan is in USDA Zone 5a. The average last spring frost is May 22 and the first fall frost is October 3, giving you a growing season of approximately 134 days.

At an elevation of 1,157 feet, Luce County receives approximately 36.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Sweet Corn to ensure they mature before fall.

Luce County, MI (Zone 5a) Short season
134 days
Last Spring Frost May 22
134 growing days
First Fall Frost October 3

Luce County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Sweet Corn Planting Timeline — Luce County, MI

Sweet Corn Planting Calendar

Activity When Date Range
Direct Sow May 29 May 29 – Jun 19
Harvest July 31 Jul 31 – Sep 11

Plant 1" deep · 12" apart · Rows 36" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April
May Direct Sow
June Direct Sow
July Harvest
August Harvest
September Harvest
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

60–90 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 5a

📆 Growing Season

134 days in Luce County

Growing Tips for Luce County

Plant in blocks of at least 4 rows for wind pollination. Direct sow after soil is warm. Isolate supersweet varieties from other corn types to prevent cross-pollination.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Sweet Corn in Luce County, MI?

Luce County is in Zone 5a with an average last frost of May 22. Plan your Sweet Corn planting based on this frost date — see the calendar above for exact timing.

What planting zone is Luce County, MI?

Luce County, Michigan is in USDA Hardiness Zone 5a. The average last spring frost is May 22 and first fall frost is October 3.

When should I plant Sweet Corn in Luce County, MI?

In Luce County, MI, plant Sweet Corn after the last frost (around May 22) and before the first frost (around October 3). Best results when soil holds above 50°F.

What growing zone is Luce County, MI for Sweet Corn?

Luce County sits in USDA Zone 5a. Sweet Corn grows reliably in zones 3a through 11b, so it's a good fit here.

Can Sweet Corn grow in Luce County's climate?

Yes — Sweet Corn grows well in Luce County's temperate climate. Luce County averages a 134-day frost-free season, with last frost around May 22 and first frost around October 3.

🌱

Your Luce County Garden Planner — Free

A 22-page printable planner built for Luce County (Zone 5a). 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 Luce County, MI. Local conditions may vary. Last updated: July 2026.

Sources & credits

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