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When to Plant Rutabaga in Nicollet County, MN

Rutabagas are a cross between turnips and cabbage, producing large yellow-fleshed roots with a sweet, mild flavor. They are excellent mashed, roasted, or in stews.

Nicollet County, Minnesota is in USDA Zone 4b. The average last spring frost is April 27 and the first fall frost is October 6, giving you a growing season of approximately 162 days.

At an elevation of 1,356 feet, Nicollet County receives approximately 30.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 82ยฐF, so choose short-season varieties of Rutabaga to ensure they mature before fall.

Nicollet County, MN (Zone 4b) Moderate season
162 days
Last Spring Frost April 27
162 growing days
First Fall Frost October 6

Nicollet County Soil Profile

Soil Type

Silt Loam

Soil pH

5.9-7.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (39 days to spare)
Transplant: Apr 23 🍅 Harvest: Jul 16 – Aug 20
Recommended (50%) ✓ Fits season (43 days to spare)
Transplant: Apr 27 🍅 Harvest: Jul 20 – Aug 24
Safe Start (90%) ✓ Fits season (36 days to spare)
Transplant: May 15 🍅 Harvest: Aug 7 – Sep 11

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
0.8″/week
You supply
0.3″/week
Watering frequency Only during dry spells
Season total 380 gal / 100 sq ft
Drought risk

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

Rutabaga needs ~1,035 GDD — county provides 1,863 GDD Excellent fit

Rutabaga Planting Timeline โ€” Nicollet County, MN

Rutabaga Planting Calendar

Activity When Date Range
Direct Sow April 20 Apr 20 โ€“ May 11
Fall Sowing July 14 Jul 14 โ€“ Jul 28
Harvest July 13 Jul 13 โ€“ Aug 17

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

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

80โ€“100 days

Soil pH

6 โ€“ 7.5

USDA Zone

Zone 4b

Growing Season

162 days

Growing Tips for Nicollet County

Direct sow in early summer for fall harvest. Thin seedlings to 6-8 inches apart. Flavor improves significantly after a few light frosts.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Rutabaga in Nicollet County, MN?

Nicollet County is in Zone 4b with an average last frost of April 27. Plan your Rutabaga planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Nicollet County, MN?

Nicollet County, Minnesota is in USDA Hardiness Zone 4b. The average last spring frost is April 27 and first fall frost is October 6.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Nicollet County gardeners in Zone 4b 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 Nicollet County, MN. Local conditions may vary. Last updated: April 2026.