2026 Planting Guide
Spring cropWhen to Plant Corn (Maize) in Michigan
Complete guide to growing corn (maize) in Michigan with optimal planting dates, recommended varieties, soil requirements, pest management, and harvest timing. Data sourced from USDA and state extension services.
Monthly Planting Calendar
Visual overview of the corn (maize) growing season in Michigan. Red diamond markers indicate frost date boundaries.
Quick Facts
Min. Soil Temp
50°F (10°C) minimum
Growing Period
95-110 days
From planting to harvest
Last Spring Frost
May 5
Wait until after this date
First Fall Frost
October 1
Harvest before this date
Monthly Task Timeline
Month-by-month guide for managing corn (maize) in Michigan.
January - April
Off-seasonCover crop planting, soil testing, equipment maintenance, and planning for next season.
May
PlantPrepare soil, apply starter fertilizer, and sow seeds at recommended depth and spacing.
June - September
Grow & MonitorIrrigate as needed, scout for pests, apply side-dress fertilizer, and manage weeds.
October - November
HarvestCheck maturity indicators, schedule equipment, harvest at optimal moisture content.
December
Off-seasonCover crop planting, soil testing, equipment maintenance, and planning for next season.
Best Corn (Maize) Varieties for Michigan
These varieties have proven performance in Michigan's climate and soil conditions. Always source certified seed from reputable dealers.
| # | Variety | Best For |
|---|---|---|
| 1 | Pioneer P9998AM | Michigan climate |
| 2 | DeKalb DKC49-29 | Michigan climate |
| 3 | Dairyland DS-4212AM | Michigan climate |
Growing Tips for Michigan
Region-specific advice from agricultural extension services and experienced Michigan farmers.
Lake-effect weather patterns create micro-zones — adjust maturity
Thumb region can support 105-day hybrids; UP needs 85-95 day
Tile drainage essential in heavy clay soils
Pest & Disease Watch
Monitor for these threats throughout the growing season. Integrated Pest Management (IPM) is recommended.
Corn borers
Scout regularly and use integrated pest management
Corn rootworm
Scout regularly and use integrated pest management
Fall armyworm
Scout regularly and use integrated pest management
Aphids
Scout regularly and use integrated pest management
Cutworms
Scout regularly and use integrated pest management
Companion Planting
These plants grow well alongside corn (maize), improving pest control, pollination, and nutrient availability.
Frost Dates
Last Spring Frost
May 5
Wait until after this date before planting frost-sensitive crops outdoors.
First Fall Frost
October 1
Plan to complete harvest of warm-season crops before this date arrives.
Frequently Asked Questions
When is the best time to plant corn (maize) in Michigan?
The optimal planting window for corn (maize) in Michigan is May 1 to May 25. Soil temperature should reach at least 50°F (10°C) minimum before planting. The total growing period is 95-110 days.
What varieties of corn (maize) grow best in Michigan?
The best varieties for Michigan include Pioneer P9998AM, DeKalb DKC49-29, Dairyland DS-4212AM. These varieties are adapted to local climate and soil conditions and have proven performance records.
When can I harvest corn (maize) in Michigan?
The harvest window for corn (maize) in Michigan is typically October 5 to November 10. The crop takes 95-110 days from planting to reach maturity.
Get planting reminders for Corn (Maize) in Michigan
Sign up for free alerts when it's time to plant, fertilize, and harvest.
Data Sources
Data sourced from USDA NASS Crop Planting Dates, Michigan Cooperative Extension Service, and NOAA frost date records. Last updated: March 2026.
Planting dates are averages and may vary by county, elevation, and local microclimate. Always consult your local extension office for the most precise recommendations.