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When to Plant Green Beans in Crow Wing County, MN

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.

Crow Wing County, Minnesota is in USDA Zone 3b. The average last spring frost is May 5 and the first fall frost is October 3, giving you a growing season of approximately 151 days.

At an elevation of 783 feet, Crow Wing County receives approximately 33.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 78ยฐF, so choose short-season varieties of Green Beans to ensure they mature before fall.

Crow Wing County, MN (Zone 3b) Moderate season
151 days
Last Spring Frost May 5
151 growing days
First Fall Frost October 3

Crow Wing 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 (40 days to spare)
Transplant: Apr 29 🍅 Harvest: Jun 24 – Aug 19
Recommended (50%) ✓ Fits season (39 days to spare)
Transplant: May 5 🍅 Harvest: Jun 30 – Aug 25
Safe Start (90%) ✓ Fits season (36 days to spare)
Transplant: May 19 🍅 Harvest: Jul 14 – Sep 8

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
1.0″/week
Rainfall provides
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 103 gal / 100 sq ft
Green Beans needs ~489 GDD — county provides 1,283 GDD Excellent fit

Green Beans Planting Timeline โ€” Crow Wing County, MN

Green Beans Planting Calendar

Activity When Date Range
Direct Sow May 19 May 19 โ€“ Jun 9
Harvest July 14 Jul 14 โ€“ Sep 8

Plant 1" deep ยท 15" apart ยท Rows 24" 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

50โ€“65 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 3b

Growing Season

151 days

Growing Tips for Crow Wing 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

  • Onion
  • Garlic
  • Fennel

Level Up Your Garden

๐ŸŒพ Save Your Own Green Beans Seeds
Life Cycle Annual
Pollination Self-Pollinating
How to Collect Allow pods to dry fully on vine until they rattle.
Storage Store airtight; viable 4 years at 35ยฐF, under 45% humidity.

Avoid harvesting during damp weather. Isolate 25 ft between varieties.

Frequently Asked Questions

When should I plant Green Beans in Crow Wing County, MN?

Crow Wing County is in Zone 3b with an average last frost of May 5. Plan your Green Beans planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Crow Wing County, MN?

Crow Wing County, Minnesota is in USDA Hardiness Zone 3b. The average last spring frost is May 5 and first fall frost is October 3.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Crow Wing County gardeners in Zone 3b organize planting dates, track what's growing, and never miss a planting window.

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Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Crow Wing County, MN. Local conditions may vary. Last updated: April 2026.