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When to Plant Rutabaga in Custer County, NE

Rutabagas are a cross between turnips and cabbage, producing large yellow-fleshed roots with a sweet, mild flavor. They are excellent mashed, roasted, or in stews.

Custer County, Nebraska is in USDA Zone 5b. The average last spring frost is May 7 and the first fall frost is October 2, giving you a growing season of approximately 148 days.

At an elevation of 997 feet, Custer County receives approximately 31.2 inches of rainfall annually with predominantly loam soil. Summer highs average 83°F, so choose short-season varieties of Rutabaga to ensure they mature before fall.

Custer County, NE (Zone 5b) Short season
148 days
Last Spring Frost May 7
148 growing days
First Fall Frost October 2

Custer County Soil Profile

Soil Type

Loam

Soil pH

6.0-7.0

Drainage

Well Drained

Rutabaga Planting Timeline — Custer County, NE

Rutabaga Planting Calendar

Activity When Date Range
Direct Sow April 23 Apr 23 – May 14
Harvest July 16 Jul 16 – Aug 20
Fall Sowing July 24 Jul 24 – Aug 7

Plant 1" deep · 15" apart · Rows 24" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Moderate — regular watering

📅 Days to Maturity

80–100 days

🧪 Soil pH

Needs 6–7.5 · Your soil: N/A

🗺️ USDA Zone

Zone 5b

📆 Growing Season

148 days in Custer County

Growing Tips for Custer County

Direct sow in early summer for fall harvest. Thin seedlings to 6-8 inches apart. Flavor improves significantly after a few light frosts.

Companion Planting

Good Companions

Avoid Planting Near

  • Potatoes

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Rutabaga in Custer County, NE?

Custer County is in Zone 5b with an average last frost of May 7. Plan your Rutabaga planting based on this frost date — see the calendar above for exact timing.

What planting zone is Custer County, NE?

Custer County, Nebraska is in USDA Hardiness Zone 5b. The average last spring frost is May 7 and first fall frost is October 2.

🌱

Your Custer County Garden Planner — Free

A 22-page printable planner built for Custer 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 Custer County, NE. Local conditions may vary. Last updated: July 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.