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When to Plant Turnip in McIntosh County, ND

Turnips are a fast-growing cool-season root vegetable with edible roots and greens. Baby turnips are sweet and tender while mature ones are more pungent.

McIntosh County, North Dakota is in USDA Zone 4a. The average last spring frost is May 12 and the first fall frost is September 28, giving you a growing season of approximately 139 days.

At an elevation of 659 feet, McIntosh County receives approximately 21.2 inches of rainfall annually with predominantly loam soil. Summer highs average 80ยฐF, so choose short-season varieties of Turnip to ensure they mature before fall.

McIntosh County, ND (Zone 4a) Short season
139 days
Last Spring Frost May 12
139 growing days
First Fall Frost September 28

McIntosh County Soil Profile

Soil Type

Loam

Soil pH

6.6-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (64 days to spare)
Transplant: May 4 🍅 Harvest: Jun 15 – Jul 20
Recommended (50%) ✓ Fits season (62 days to spare)
Transplant: May 12 🍅 Harvest: Jun 23 – Jul 28
Safe Start (90%) ✓ Fits season (67 days to spare)
Transplant: May 21 🍅 Harvest: Jul 2 – Aug 6

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
0.6″/week
You supply
0.4″/week
Watering frequency 1-2 times/week
Season total 534 gal / 100 sq ft
Drought risk

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

Turnip needs ~500 GDD — county provides 1,390 GDD Excellent fit

Turnip Planting Timeline โ€” McIntosh County, ND

Turnip Planting Calendar

Activity When Date Range
Direct Sow May 5 May 5 โ€“ May 26
Fall Sowing July 6 Jul 6 โ€“ Jul 20
Harvest June 16 Jun 16 โ€“ Jul 21

Plant 0.5" deep ยท 4" apart ยท Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

40โ€“60 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 4a

Growing Season

139 days

Growing Tips for McIntosh County

Direct sow in early spring or late summer. Harvest when roots are 2-3 inches in diameter for best flavor. Both the roots and the greens are nutritious and edible.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Level Up Your Garden

Frequently Asked Questions

When should I plant Turnip in McIntosh County, ND?

McIntosh County is in Zone 4a with an average last frost of May 12. Plan your Turnip planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is McIntosh County, ND?

McIntosh County, North Dakota is in USDA Hardiness Zone 4a. The average last spring frost is May 12 and first fall frost is September 28.

๐ŸŒฑ

Plan Your Garden with Confidence

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