When to Plant Green Beans in Kent County, MI
Green beans are a warm-season staple available as bush or pole types. Bush beans produce a concentrated harvest while pole beans provide a longer picking season.
Kent County, Michigan is in USDA Zone 5b. The average last spring frost is May 7 and the first fall frost is October 9, giving you a growing season of approximately 155 days.
At an elevation of 617 feet, Kent County receives approximately 32.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 83°F, so choose short-season varieties of Green Beans to ensure they mature before fall.
Kent County Soil Profile
Soil Type
Silt Loam
Soil pH
6-7
Drainage
Well Drained
Plant Planting Risk Windows
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
Green Beans Planting Timeline — Kent County, MI
Green Beans Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Direct Sow | May 14 | May 14 – Jun 4 |
| Harvest | July 9 | Jul 9 – Sep 3 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| 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
50–65 days
Soil pH
6 – 7
USDA Zone
Zone 5b
Growing Season
155 days
Growing Tips for Kent County
Direct sow after last frost when soil is warm. Provide sturdy supports for pole varieties. Pick beans regularly when young and tender to encourage continued production.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Avoid harvesting during damp weather. Isolate 25 ft between varieties.
Green Beans in Other Locations
Frequently Asked Questions
When should I plant Green Beans in Kent County, MI?
Kent County is in Zone 5b with an average last frost of May 7. Plan your Green Beans planting based on this frost date — see the calendar above for exact timing.
What planting zone is Kent County, MI?
Kent County, Michigan is in USDA Hardiness Zone 5b. The average last spring frost is May 7 and first fall frost is October 9.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Kent County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.
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