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When to Plant Corn in Benzie County, MI

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.

Benzie County, Michigan is in USDA Zone 5b. The average last spring frost is May 12 and the first fall frost is October 13, giving you a growing season of approximately 154 days.

At an elevation of 1,075 feet, Benzie County receives approximately 32.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87ยฐF, providing good warmth for Corn during the growing season.

Benzie County, MI (Zone 5b) Moderate season
154 days
Last Spring Frost May 12
154 growing days
First Fall Frost October 13

Benzie County Soil Profile

Soil Type

Silt Loam

Soil pH

6-6.7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (34 days to spare)
Transplant: May 4 🍅 Harvest: Jul 6 – Aug 31
Recommended (50%) ✓ Fits season (35 days to spare)
Transplant: May 12 🍅 Harvest: Jul 14 – Sep 8
Safe Start (90%) ✓ Fits season (44 days to spare)
Transplant: May 22 🍅 Harvest: Jul 24 – Sep 18

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Plant Water Budget

Plant needs
1.5″/week
Rainfall provides
0.9″/week
You supply
0.7″/week
Watering frequency 2-3 times/week
Season total 991 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Corn needs ~1,220 GDD — county provides 2,348 GDD Excellent fit

Corn Planting Timeline โ€” Benzie County, MI

Corn Planting Calendar

Activity When Date Range
Direct Sow May 19 May 19 โ€“ Jun 9
Harvest July 21 Jul 21 โ€“ Sep 15

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“100 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 5b

Growing Season

154 days

Growing Tips for Benzie 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

Level Up Your Garden

Frequently Asked Questions

When should I plant Corn in Benzie County, MI?

Benzie County is in Zone 5b with an average last frost of May 12. Plan your Corn planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Benzie County, MI?

Benzie County, Michigan is in USDA Hardiness Zone 5b. The average last spring frost is May 12 and first fall frost is October 13.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Benzie County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.

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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 Benzie County, MI. Local conditions may vary. Last updated: April 2026.