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When to Plant Rutabaga in Garden County, NE

Garden County, Nebraska Zone 5b May

May in the garden — Garden County, Nebraska

May is a pivotal month for Garden County, Nebraska gardens. Focus on these tasks first and you'll set up the rest of the season for success.

Avg. last frost May 11
Avg. first frost October 4
Soil temp (4") 53°F
Watering High
Pest pressure Low
Daylight 14.3 hrs

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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.

Garden County, Nebraska is in USDA Zone 5b. The average last spring frost is May 11 and the first fall frost is October 4, giving you a growing season of approximately 146 days.

At an elevation of 966 feet, Garden County receives approximately 25.2 inches of rainfall annually with predominantly loam soil. Summer highs average 81°F, so choose short-season varieties of Rutabaga to ensure they mature before fall.

Garden County, NE (Zone 5b) Short season
146 days
Last Spring Frost May 11
146 growing days
First Fall Frost October 4
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Garden County Soil Profile

Soil Type

Loam

Soil pH

6.6-7.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (30 days to spare)
Transplant: May 2 🍅 Harvest: Jul 25 – Aug 29
Recommended (50%) ✓ Fits season (27 days to spare)
Transplant: May 11 🍅 Harvest: Aug 3 – Sep 7
Safe Start (90%) ✓ Fits season (29 days to spare)
Transplant: May 20 🍅 Harvest: Aug 12 – Sep 16

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 Garden County

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

Soil pH

Your soil pH (6.6–7.8) overlaps with Rutabaga's range (6.0–7.5), though not a perfect match.

Soil Texture

The loam soil in Garden County is excellent for Rutabaga — good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (3.6%). Annual compost additions will help Rutabaga.

How to Plant Rutabaga

1"
Planting Depth
15"
Between Plants
24"
Between Rows

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

Succession Planting Rutabaga

2
successive plantings in your 146-day season

Sow every 9.1 weeks. Last sowing by Jun 26 to harvest before frost.

For a dedicated fall crop, sow by Jul 26.

Plant Water Budget

Plant needs
0.7″/week
Rainfall provides
0.7″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 8/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Rutabaga

Rutabaga needs approximately 0.7 inches of water per week (3" per month). Here's how your county's rainfall compares month by month.

Month Rutabaga Needs Rainfall You Supplement Action
Jan 1.8" 0" ❄️ Dormant
Feb 1.7" 0" ❄️ Dormant
Mar 2.5" 0" ❄️ Dormant
Apr 2.4" 0" ❄️ Dormant
May 3" 2.5" 0.5" 💧 Light watering
Jun 3" 1.9" 1.1" 💧 Light watering
Jul 3" 2.3" 0.7" 💧 Light watering
Aug 3" 2.5" 0.5" 💧 Light watering
Sep 3" 2.1" 0.9" 💧 Light watering
Oct 3" 2" 1" 💧 Light watering
Nov 1.8" 0" ❄️ Dormant
Dec 1.6" 0" ❄️ Dormant

Water needs are for active growing months only (May–Oct in Garden County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Rutabaga Heat Requirements (GDD)

What are Growing Degree Days (GDD)?

Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.

Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.

Rutabaga needs ~968 GDD — county provides 1,569 GDD Excellent fit

Rutabaga Planting Timeline — Garden County, NE

Rutabaga Planting Calendar

Activity When Date Range
Direct Sow April 27 Apr 27 – May 18
Harvest July 20 Jul 20 – Aug 24
Fall Sowing July 26 Jul 26 – Aug 9

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
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Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.7"/week · Natural rainfall sufficient

📅 Days to Maturity

80–100 days

🧪 Soil pH

Needs 6–7.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 5b

📆 Growing Season

146 days in Garden County

Growing Tips for Rutabaga in Garden County

Direct sow Rutabaga outdoors after May 11 in Garden County when soil has warmed and frost danger has passed.

Common pests for Rutabaga 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 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 Garden County, NE?

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

What planting zone is Garden County, NE?

Garden County, Nebraska is in USDA Hardiness Zone 5b. The average last spring frost is May 11 and first fall frost is October 4.

🌱

Your Garden County Garden Planner — Free

A 24-page printable planner built for Garden 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 Garden County, NE. Local conditions may vary. Last updated: May 2026.

Sources & credits

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