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When to plant Rutabaga in Spencer County County,

Spencer County County's spring Rutabaga window runs March 26 through April 16. most warm-season crops establish quickly once soil holds above 60°F. A second sowing from August 16 to August 30 extends the harvest into fall.

When to Plant Rutabaga in Spencer County, IN

Spencer County, Indiana Zone 7a June

June in the garden — Spencer County, Indiana

Your garden in Spencer County, Indiana is working on a schedule, even when you're not. Here's where you should be this June.

Avg. last frost April 9
Avg. first frost October 25
Soil temp (4") 71°F
Watering Moderate
Pest pressure High
Daylight 14.6 hrs
  1. Collect rutabaga at their peak

    This is the payoff month. Bring a basket, bring a friend, and get into the beds.

Coming up in July — start thinking about
  • First harvests: rutabaga

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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.

Spencer County, Indiana is in USDA Zone 7a. The average last spring frost is April 9 and the first fall frost is October 25, giving you a growing season of approximately 199 days.

At an elevation of 1,204 feet, Spencer County receives approximately 33.8 inches of rainfall annually with predominantly silt loam soil. Summer highs average 86°F, providing good warmth for Rutabaga during the growing season.

Spencer County, IN (Zone 7a) Moderate season
199 days
Last Spring Frost April 9
199 growing days
First Fall Frost October 25
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Spencer County Soil Profile

Soil Type

Silt Loam

Soil pH

6-7

Drainage

Well Drained

Rutabaga Planting Risk Windows

Early Start (70% safe) ✓ Fits season (79 days to spare)
Transplant: Apr 4 🍅 Harvest: Jun 27 – Aug 1
Recommended (50%) ✓ Fits season (80 days to spare)
Transplant: Apr 9 🍅 Harvest: Jul 2 – Aug 6
Safe Start (90%) ✓ Fits season (81 days to spare)
Transplant: Apr 23 🍅 Harvest: Jul 16 – Aug 20

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 Spencer County

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

Soil pH

Your soil pH (6.0–7.0) is within Rutabaga's preferred range (6.0–7.5).

Soil Texture

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

Organic Matter

Organic matter is excellent (5.1%) — Rutabaga will thrive.

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 199-day season

Sow every 9.1 weeks. Last sowing by Jul 17 to harvest before frost.

For a dedicated fall crop, sow by Aug 16.

Rutabaga Water Budget

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

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 1.4" 0" ❄️ Dormant
Feb 1.7" 0" ❄️ Dormant
Mar 2.5" 0" ❄️ Dormant
Apr 3" 3.2" 0" ✅ Rainfall sufficient
May 3" 3.5" 0" ✅ Rainfall sufficient
Jun 3" 3.7" 0" ✅ Rainfall sufficient
Jul 3" 4" 0" ✅ Rainfall sufficient
Aug 3" 4.1" 0" ✅ Rainfall sufficient
Sep 3" 3.1" 0" ✅ Rainfall sufficient
Oct 3" 2.6" 0.4" 💧 Light watering
Nov 2.3" 0" ❄️ Dormant
Dec 1.9" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Spencer 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 ~1,305 GDD — county provides 2,885 GDD Excellent fit

Rutabaga Planting Timeline — Spencer County, IN

Rutabaga Planting Calendar

Activity When Date Range
Direct Sow March 26 Mar 26 – Apr 16
Harvest June 18 Jun 18 – Jul 23
Fall Sowing August 16 Aug 16 – Aug 30

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

Month-by-Month Timeline

MonthActivities
January
February
March Direct Sow
April Direct Sow
May
June Harvest
July Harvest
August Fall Sowing
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: ideal

🗺️ USDA Zone

Zone 7a

📆 Growing Season

199 days in Spencer County

Growing Tips for Rutabaga in Spencer County

Direct sow Rutabaga outdoors after April 09 in Spencer 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 Spencer County, IN?

Spencer County is in Zone 7a with an average last frost of April 9. Plan your Rutabaga planting based on this frost date — see the calendar above for exact timing.

What planting zone is Spencer County, IN?

Spencer County, Indiana is in USDA Hardiness Zone 7a. The average last spring frost is April 9 and first fall frost is October 25.

When should I plant Rutabaga in Spencer County County, ?

In Spencer County County, , plant Rutabaga after the last frost (around April 9) and before the first frost (around October 25). Best results when soil holds above 50°F.

What growing zone is Spencer County County, for Rutabaga?

Spencer County County sits in USDA Zone 7a. Rutabaga grows reliably in zones 2a through 9b, so it's a good fit here.

Can Rutabaga grow in Spencer County County's climate?

Yes — Rutabaga grows well in Spencer County County's temperate climate. Spencer County County averages a 199-day frost-free season, with last frost around April 9 and first frost around October 25.

🌱

Your Spencer County Garden Planner — Free

A 22-page printable planner built for Spencer County (Zone 7a). 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 Spencer County, IN. Local conditions may vary. Last updated: June 2026.

Sources & credits

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