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When to Plant Broccoli Raab in Thibodaux, Louisiana (70310)

Location

Thibodaux, Louisiana

ZIP Code

70310

USDA Zone

9b

Last Frost

Tuesday, February 10, 2026

📅 Your 2026 Planting Dates

Direct Sow Outdoors

Tuesday, December 30, 2025

Based on last frost Tuesday, February 10, 2026 · Zone 9b

Pro tip: Sow Broccoli Raab directly outdoors 6 weeks before your last frost date.

🌿 Plant Details

Scientific Name Brassica rapa subsp. rapa
Days to Maturity 60 days
Mature Height 12-24"
Spread 8"

☀️ Growing Requirements

☀️

Sun

Full Sun (6-8 hours)

💧

Water

Regular (1-2 inches/week)

↔️

Spacing

6" apart

🌱

Planting Depth

0.5" deep

Seeds typically germinate in 4-7 days

Ready to Plant Broccoli Raab in Thibodaux?

Get your seeds now so they're ready by Tuesday, December 30, 2025.

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🤝 Good Companions

OnionBeetCelery

⚠️ Avoid Planting Near

TomatoPepperStrawberry
🤝

Full Companion Planting Guide for Broccoli Raab

See which plants help Broccoli Raab thrive, which to keep away, and raised bed layout tips →

🛠️ Supplies You'll Need

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🌾 Seed Saving Guide

🟡 Moderate
✅ Open-pollinated — seeds grow true to parent

When to Harvest Seed

Allow plants to flower fully and seed pods to turn tan and dry.

Processing

Thresh dried stalks, winnow to separate seeds from pod fragments.

Seed Viability

Up to 4 years when stored cool, dark, and dry.

Pro Tip

Brassica rapa — crosses with turnip, bok choy, and napa cabbage. Isolate by 300 feet.

🪴

Raised Bed Planting Guides

A 4×8 bed fits 4 per sq ft of Broccoli Raab. See plant counts, spacing grids, and companion pairings for every bed size →

Frequently Asked Questions

When should I plant Broccoli Raab in Thibodaux, Louisiana? +

In Thibodaux (Zone 9b), direct sow Broccoli Raab outdoors around Tuesday, December 30, 2025.

What is the last frost date for Thibodaux, Louisiana? +

The average last spring frost date for Thibodaux, Louisiana (ZIP 70310) is around Tuesday, February 10, 2026. This is based on NOAA climate normals for USDA Zone 9b.

How long does Broccoli Raab take to grow? +

Broccoli Raab typically matures in about 60 days from direct sowing. In Thibodaux, that means you can expect harvest around Tuesday, December 30, 2025 plus 60 days.

Should I start Broccoli Raab indoors or direct sow in Louisiana? +

Broccoli Raab does best when direct sown outdoors. In Thibodaux, sow directly around Tuesday, December 30, 2025.

Other Plants for Thibodaux

Growing Broccoli Raab in Zone 9b

Broccoli Raab (Brassica rapa subsp. rapa) is a popular garden vegetable. In Thibodaux, Louisiana, which is in USDA Hardiness Zone 9b, you should direct sow seeds around Tuesday, December 30, 2025.

Your average last frost date is Tuesday, February 10, 2026. Broccoli Raab grows well when direct sown, as it doesn't transplant well or germinates quickly outdoors.