Root Vegetable

When to Plant Turnips in Michigan

A fast-growing, cold-hardy root crop that's underappreciated. Both the root and the greens are delicious.

The Short Answer

Michigan's cool climate grows turnips beautifully, with the long spring and fall providing extended harvest windows. The crop's cold hardiness means it produces well into Michigan's chilly autumn.

Michigan Frost Dates

Your planting dates depend on which part of Michigan you're in. Here are the frost date ranges by region:

Region Zones Last Frost (Spring) First Frost (Fall)
Upper Peninsula 4a, 4b, 5a May 15 - Jun 5 Sep 10 - Sep 25
Northern Lower Michigan 5a, 5b May 10 - May 25 Sep 20 - Oct 5
Southern Michigan 5b, 6a, 6b Apr 25 - May 10 Oct 1 - Oct 15

Turnips Planting Schedule for Michigan

Upper Peninsula (Zones 4a, 4b, 5a)

Average last frost: May 15 - Jun 5 · Average first frost: Sep 10 - Sep 25

Direct Sow
3 wks before frost
Fall Planting
8 wks before first frost

Northern Lower Michigan (Zones 5a, 5b)

Average last frost: May 10 - May 25 · Average first frost: Sep 20 - Oct 5

Direct Sow
3 wks before frost
Fall Planting
8 wks before first frost

Southern Michigan (Zones 5b, 6a, 6b)

Average last frost: Apr 25 - May 10 · Average first frost: Oct 1 - Oct 15

Direct Sow
3 wks before frost
Fall Planting
8 wks before first frost

Growing Turnips in Michigan

State-Specific Growing Tips

Spring: sow from mid-April. Fall: sow in late July-August. Fall turnips sweetened by frost are superior. Michigan's moderate temperatures support turnip production for months without bolting pressure.

Recommended Varieties for Michigan

Purple Top White Globe, Hakurei. Any variety works in Michigan's cool climate.

Common Challenges in Michigan

Flea beetles. Cabbage root maggot. Minimal disease. The crop is nearly foolproof.

Growing Tips

Great for spring and fall planting. Harvest small for tender roots. Fall-planted turnips taste sweeter after a frost.

Companion Planting

Plant turnips alongside these companions for better growth:

Peas Onions

The Bottom Line

Turnips can be grown successfully in Michigan with proper attention to regional frost dates and local growing conditions. Timing varies across the state — Upper Peninsula gardeners work with a last frost around May 15 - Jun 5, while Southern Michigan sees frost end around Apr 25 - May 10. Choose varieties suited to your region, amend your soil based on its specific needs, and monitor for the pests and diseases most common in your area. For exact dates based on your zip code, use our free planting date finder.
Note: All dates are based on NOAA 30-year Climate Normals and represent historical averages, not predictions for any specific year. Always check your local weather forecast before planting frost-sensitive crops. Learn about our data sources.

Last reviewed: March 29, 2026

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