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When to plant Turnip in Logan County, CO

For Turnip in Logan County, the safe spring window opens around April 27 and closes around May 18. Last expected frost is May 11, first fall frost October 5, giving a 147-day growing season. A second sowing from July 27 to August 10 extends the harvest into fall.

When to Plant Turnip in Logan County, CO

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.

Logan County, Colorado is in USDA Zone 5b. The average last spring frost is May 11 and the first fall frost is October 5, giving you a growing season of approximately 147 days.

At an elevation of 6,511 feet, Logan County receives approximately 14.9 inches of rainfall annually with predominantly loam soil. Summer highs average 83°F, so choose short-season varieties of Turnip to ensure they mature before fall. With low rainfall, drip irrigation is essential for growing Turnip successfully. Mulch heavily to conserve soil moisture.

Logan County, CO (Zone 5b) Short season
147 days
Last Spring Frost May 11
147 growing days
First Fall Frost October 5

Logan County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Turnip Planting Timeline — Logan County, CO

Turnip Planting Calendar

Activity When Date Range
Direct Sow April 27 Apr 27 – May 18
Harvest June 8 Jun 8 – Jul 13
Fall Sowing July 27 Jul 27 – Aug 10

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

Month-by-Month Timeline

MonthActivities
January
February
March
April Direct Sow
May Direct Sow
June Harvest
July Fall Sowing 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 5b

📆 Growing Season

147 days in Logan County

Growing Tips for Logan 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 Logan County, CO?

Logan County is in Zone 5b with an average last frost of May 11. Plan your Turnip planting based on this frost date — see the calendar above for exact timing.

What planting zone is Logan County, CO?

Logan County, Colorado is in USDA Hardiness Zone 5b. The average last spring frost is May 11 and first fall frost is October 5.

When should I plant Turnip in Logan County, CO?

In Logan County, CO, plant Turnip after the last frost (around May 11) and before the first frost (around October 5). Best results when soil holds above 50°F.

What growing zone is Logan County, CO for Turnip?

Logan County sits in USDA Zone 5b. Turnip grows reliably in zones 2a through 10b, so it's a good fit here.

Can Turnip grow in Logan County's climate?

Yes — Turnip grows well in Logan County's temperate climate. Logan County averages a 147-day frost-free season, with last frost around May 11 and first frost around October 5.

🌱

Your Logan County Garden Planner — Free

A 22-page printable planner built for Logan County (Zone 5b). 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 Logan County, CO. Local conditions may vary. Last updated: July 2026.

Sources & credits

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