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When to Plant Turnip in Wayne County, MI

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.

Wayne County, Michigan is in USDA Zone 6a. The average last spring frost is April 28 and the first fall frost is October 20, giving you a growing season of approximately 175 days.

At an elevation of 1,066 feet, Wayne County receives approximately 34.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91ยฐF, providing good warmth for Turnip during the growing season.

Wayne County, MI (Zone 6a) Moderate season
175 days
Last Spring Frost April 28
175 growing days
First Fall Frost October 20

Wayne County Soil Profile

Soil Type

Silt Loam

Soil pH

5.9-6.9

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (93 days to spare)
Transplant: Apr 26 🍅 Harvest: Jun 7 – Jul 12
Recommended (50%) ✓ Fits season (98 days to spare)
Transplant: Apr 28 🍅 Harvest: Jun 9 – Jul 14
Safe Start (90%) ✓ Fits season (94 days to spare)
Transplant: May 13 🍅 Harvest: Jun 24 – Jul 29

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.

Soil Compatibility in Wayne County

How your county's soil matches Turnip's growing requirements.

Soil pH

Your soil pH (5.9โ€“6.9) overlaps with Turnip's range (6.0โ€“7.0), though not a perfect match.

Soil Texture

The silt loam soil in Wayne County is excellent for Turnip โ€” good drainage, moisture retention, and nutrient holding capacity.

Drainage

Drainage is adequate for Turnip.

Organic Matter

Organic matter is excellent (5.0%) โ€” Turnip will thrive.

How to Plant Turnip

0.5"
Planting Depth
4"
Between Plants
12"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Turnip

5
successive plantings in your 175-day season

Sow every 4.6 weeks. Last sowing by Aug 21 to harvest before frost.

For a dedicated fall crop, sow by Aug 11.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.8″/week
You supply
0.5″/week
Watering frequency 1-2 times/week
Season total 750 gal / 100 sq ft
Turnip needs ~912 GDD — county provides 3,193 GDD Excellent fit

Turnip Planting Timeline โ€” Wayne County, MI

Turnip Planting Calendar

Activity When Date Range
Direct Sow April 14 Apr 14 โ€“ May 5
Fall Sowing August 11 Aug 11 โ€“ Aug 25
Harvest May 26 May 26 โ€“ Jun 30

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

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

1"/week ยท 1-2 times/week

๐Ÿ“… Days to Maturity

40โ€“60 days

๐Ÿงช Soil pH

Needs 6โ€“7 ยท Your soil: acceptable

๐Ÿ—บ๏ธ USDA Zone

Zone 6a

๐Ÿ“† Growing Season

175 days in Wayne County

Growing Tips for Turnip in Wayne County

Direct sow Turnip outdoors after April 28 in Wayne County when soil has warmed and frost danger has passed.

Your generous 175.0-day season in Wayne County allows multiple plantings of Turnip. Sow every 20.0 days for continuous harvest.

Common pests for Turnip in this region include cabbage worm and flea beetles. Use row covers early in the season and inspect plants weekly.

General growing tips

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 Wayne County, MI?

Wayne County is in Zone 6a with an average last frost of April 28. Plan your Turnip planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Wayne County, MI?

Wayne County, Michigan is in USDA Hardiness Zone 6a. The average last spring frost is April 28 and first fall frost is October 20.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Wayne County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.

Get Your Free Garden Planner →

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 Wayne County, MI. Local conditions may vary. Last updated: April 2026.