2026 Planting Guide
Spring cropWhen to Plant Beans in Michigan
Complete guide to growing beans 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 beans growing season in Michigan. Red diamond markers indicate frost date boundaries.
Quick Facts
Min. Soil Temp
60°F (16°C) minimum
Growing Period
50-90 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 beans in Michigan.
January - April
Off-seasonCover crop planting, soil testing, equipment maintenance, and planning for next season.
May - June
PlantPrepare soil, apply starter fertilizer, and sow seeds at recommended depth and spacing.
July
Grow & MonitorIrrigate as needed, scout for pests, apply side-dress fertilizer, and manage weeds.
August - October
HarvestCheck maturity indicators, schedule equipment, harvest at optimal moisture content.
November - December
Off-seasonCover crop planting, soil testing, equipment maintenance, and planning for next season.
Best Beans 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 | Navy | Michigan climate |
| 2 | Black | Michigan climate |
| 3 | Light Red Kidney | Michigan climate |
| 4 | Cranberry | Michigan climate |
Growing Tips for Michigan
Region-specific advice from agricultural extension services and experienced Michigan farmers.
Michigan is #1 dry bean producing state
Saginaw Valley and Thumb region are primary areas
White mold and bacterial blight — rotate 2+ years
Pest & Disease Watch
Monitor for these threats throughout the growing season. Integrated Pest Management (IPM) is recommended.
Mexican bean beetle
Scout regularly and use integrated pest management
Aphids
Scout regularly and use integrated pest management
Bean leaf beetle
Scout regularly and use integrated pest management
Whiteflies
Scout regularly and use integrated pest management
Root rot
Scout regularly and use integrated pest management
Companion Planting
These plants grow well alongside beans, 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 beans in Michigan?
The optimal planting window for beans in Michigan is May 20 to June 15. Soil temperature should reach at least 60°F (16°C) minimum before planting. The total growing period is 50-90 days.
What varieties of beans grow best in Michigan?
The best varieties for Michigan include Navy, Black, Light Red Kidney, Cranberry. These varieties are adapted to local climate and soil conditions and have proven performance records.
When can I harvest beans in Michigan?
The harvest window for beans in Michigan is typically August 15 to October 1. The crop takes 50-90 days from planting to reach maturity.
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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.