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When to plant Turnip in Jackson County, MI

Turnip planted in Jackson County between April 15 and May 6 matures in 40–60 days — well before the October 14 first frost. A second sowing from August 5 to August 19 extends the harvest into fall.

When to Plant Turnip in Jackson 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.

Jackson County, Michigan is in USDA Zone 6a. The average last spring frost is April 29 and the first fall frost is October 14, giving you a growing season of approximately 168 days.

At an elevation of 1,003 feet, Jackson County receives approximately 37.6 inches of rainfall annually with predominantly silt loam soil. Summer highs average 85°F, providing good warmth for Turnip during the growing season.

Jackson County, MI (Zone 6a) Moderate season
168 days
Last Spring Frost April 29
168 growing days
First Fall Frost October 14

Jackson County Soil Profile

Soil Type

Silt Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Turnip Planting Timeline — Jackson County, MI

Turnip Planting Calendar

Activity When Date Range
Direct Sow April 15 Apr 15 – May 6
Harvest May 27 May 27 – Jul 1
Fall Sowing August 5 Aug 5 – Aug 19

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

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

40–60 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

168 days in Jackson County

Growing Tips for Jackson 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

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Turnip in Jackson County, MI?

Jackson County is in Zone 6a with an average last frost of April 29. Plan your Turnip planting based on this frost date — see the calendar above for exact timing.

What planting zone is Jackson County, MI?

Jackson County, Michigan is in USDA Hardiness Zone 6a. The average last spring frost is April 29 and first fall frost is October 14.

When should I plant Turnip in Jackson County, MI?

In Jackson County, MI, plant Turnip after the last frost (around April 29) and before the first frost (around October 14). Best results when soil holds above 50°F.

What growing zone is Jackson County, MI for Turnip?

Jackson County sits in USDA Zone 6a. Turnip grows reliably in zones 2a through 10b, so it's a good fit here.

Can Turnip grow in Jackson County's climate?

Yes — Turnip grows well in Jackson County's temperate climate. Jackson County averages a 168-day frost-free season, with last frost around April 29 and first frost around October 14.

🌱

Your Jackson County Garden Planner — Free

A 22-page printable planner built for Jackson County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Jackson County, MI. Local conditions may vary. Last updated: August 2026.

Sources & credits

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