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When to plant Corn in Oceana County, MI

Oceana County sits in cold Zone 6a. Plant Corn May 22–June 12 for the single annual harvest; the October 7 first frost closes the window.

When to Plant Corn in Oceana County, MI

Corn

Corn is a warm-season grass grown for its sweet ears, which are best eaten soon after harvest. It is wind-pollinated and must be planted in blocks for good kernel fill.

Oceana County, Michigan is in USDA Zone 6a. The average last spring frost is May 15 and the first fall frost is October 7, giving you a growing season of approximately 145 days.

At an elevation of 503 feet, Oceana County receives approximately 33.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Corn during the growing season.

Oceana County, MI (Zone 6a) Short season
145 days
Last Spring Frost May 15
145 growing days
First Fall Frost October 7

Oceana County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

How Much Corn to Grow

1-2 ears
Average yield per plant
15
Plants per person
30 sq ft
Space per person

For a family of 4, plant approximately 60 corn plants in about 120 sq ft. In Oceana County's 145-day season, you'll have plenty of time for a full harvest. Plan your garden layout →

Corn Planting Timeline — Oceana County, MI

Corn Planting Calendar

Activity When Date Range
Direct Sow May 22 May 22 – Jun 12
Harvest July 24 Jul 24 – Sep 18

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

60–100 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

145 days in Oceana County

Growing Tips for Oceana County

Plant in blocks of at least 4 rows rather than single rows for proper pollination. Direct sow after soil reaches 60F. Side-dress with nitrogen when plants are knee-high.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes
  • Celery

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Corn in Oceana County, MI?

Oceana County is in Zone 6a with an average last frost of May 15. Plan your Corn planting based on this frost date — see the calendar above for exact timing.

What planting zone is Oceana County, MI?

Oceana County, Michigan is in USDA Hardiness Zone 6a. The average last spring frost is May 15 and first fall frost is October 7.

When should I plant Corn in Oceana County, MI?

In Oceana County, MI, plant Corn after the last frost (around May 15) and before the first frost (around October 7). Best results when soil holds above 50°F.

What growing zone is Oceana County, MI for Corn?

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

Can Corn grow in Oceana County's climate?

Yes — Corn grows well in Oceana County's temperate climate. Oceana County averages a 145-day frost-free season, with last frost around May 15 and first frost around October 7.

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Your Oceana County Garden Planner — Free

A 22-page printable planner built for Oceana 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.

Instant PDF download. No spam, unsubscribe any time.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Oceana County, MI. 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.