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When to Plant Rutabaga in Catahoula Parish, LA

Catahoula Parish, Louisiana Zone 9a May

Top priorities for Catahoula Parish, Louisiana gardeners in May

Here's what deserves your attention in Catahoula Parish, Louisiana this month. Everything below is tailored to Zone 9a and timed around your local frost dates.

Avg. last frost March 5
Avg. first frost November 16
Soil temp (4") 74°F
Watering Low
Pest pressure High
Daylight 13.6 hrs
  1. It's harvest week for rutabaga

    The more you pick, the more the plant produces. Letting fruit overripen tells the plant it's time to stop.

Get ahead of June
  • 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.

Catahoula Parish, Louisiana is in USDA Zone 9a. The average last spring frost is March 5 and the first fall frost is November 16, giving you a growing season of approximately 256 days.

At an elevation of 73 feet, Catahoula Parish receives approximately 56.1 inches of rainfall annually with predominantly loam soil. Summer highs average 91°F, providing good warmth for Rutabaga during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Rutabaga root diseases.

Catahoula Parish, LA (Zone 9a) Long season
256 days
Last Spring Frost March 5
256 growing days
First Fall Frost November 16
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Catahoula Parish Soil Profile

Soil Type

Loam

Soil pH

6.1-7.1

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (139 days to spare)
Transplant: Feb 27 🍅 Harvest: May 22 – Jun 26
Recommended (50%) ✓ Fits season (137 days to spare)
Transplant: Mar 5 🍅 Harvest: May 28 – Jul 2
Safe Start (90%) ✓ Fits season (144 days to spare)
Transplant: Mar 25 🍅 Harvest: Jun 17 – Jul 22

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 Catahoula Parish

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

Soil pH

Your soil pH (6.1–7.1) is within Rutabaga's preferred range (6.0–7.5).

Soil Texture

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

Organic Matter

Organic matter is moderate (2.2%). Annual compost additions will help Rutabaga.

How to Plant Rutabaga

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

Fall planting: Sow 8 weeks before your first frost date for a fall harvest.

Succession Planting Rutabaga

3
successive plantings in your 256-day season

Sow every 9.1 weeks. Last sowing by Aug 08 to harvest before frost.

For a dedicated fall crop, sow by Sep 21.

Plant Water Budget

Plant needs
0.7″/week
Rainfall provides
0.9″/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 4.9" 0" ❄️ Dormant
Feb 4.9" 0" ❄️ Dormant
Mar 3" 5.5" 0" ✅ Rainfall sufficient
Apr 3" 4.3" 0" ✅ Rainfall sufficient
May 3" 4.9" 0" ✅ Rainfall sufficient
Jun 3" 4.5" 0" ✅ Rainfall sufficient
Jul 3" 5.3" 0" ✅ Rainfall sufficient
Aug 3" 6.3" 0" ✅ Rainfall sufficient
Sep 3" 3.7" 0" ✅ Rainfall sufficient
Oct 3" 3.3" 0" ✅ Rainfall sufficient
Nov 3" 4" 0" ✅ Rainfall sufficient
Dec 4.4" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Catahoula Parish). 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 ~1,642 GDD — county provides 4,672 GDD Excellent fit

Rutabaga Planting Timeline — Catahoula Parish, LA

Rutabaga Planting Calendar

Activity When Date Range
Direct Sow February 12 Feb 12 – Mar 5
Harvest May 7 May 7 – Jun 11
Fall Sowing September 21 Sep 21 – Oct 5

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

Month-by-Month Timeline

MonthActivities
January
February Direct Sow
March Direct Sow
April
May Harvest
June Harvest
July
August
September Fall Sowing
October Fall Sowing
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 9a

📆 Growing Season

256 days in Catahoula Parish

Growing Tips for Rutabaga in Catahoula Parish

Direct sow Rutabaga outdoors after March 05 in Catahoula Parish 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 Catahoula Parish, LA?

Catahoula Parish is in Zone 9a with an average last frost of March 5. Plan your Rutabaga planting based on this frost date — see the calendar above for exact timing.

What planting zone is Catahoula Parish, LA?

Catahoula Parish, Louisiana is in USDA Hardiness Zone 9a. The average last spring frost is March 5 and first fall frost is November 16.

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Your Catahoula Parish Garden Planner — Free

A 24-page printable planner built for Catahoula Parish (Zone 9a). 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 Catahoula Parish, LA. Local conditions may vary. Last updated: May 2026.

Sources & credits

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