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When to Plant Broccoli in Concordia Parish, LA

Broccoli is a nutrient-dense cool-season crop that produces large central heads followed by smaller side shoots. It is one of the most popular garden vegetables.

Concordia Parish, Louisiana is in USDA Zone 8b. The average last spring frost is March 8 and the first fall frost is November 15, giving you a growing season of approximately 252 days.

At an elevation of 377 feet, Concordia Parish receives approximately 60.5 inches of rainfall annually with predominantly loam soil. Summer highs average 92ยฐF, providing good warmth for Broccoli during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Broccoli root diseases.

Concordia Parish, LA (Zone 8b) Long season
252 days
Last Spring Frost March 8
252 growing days
First Fall Frost November 15

Concordia Parish Soil Profile

Soil Type

Loam

Soil pH

6-7.3

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (144 days to spare)
Start indoors: Jan 25 Transplant: Mar 1 🍅 Harvest: May 3 – Jun 14
Recommended (50%) ✓ Fits season (147 days to spare)
Start indoors: Feb 1 Transplant: Mar 8 🍅 Harvest: May 10 – Jun 21
Safe Start (90%) ✓ Fits season (146 days to spare)
Start indoors: Feb 19 Transplant: Mar 26 🍅 Harvest: May 28 – Jul 9

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.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Broccoli needs ~1,425 GDD — county provides 4,788 GDD Excellent fit

Broccoli Planting Timeline โ€” Concordia Parish, LA

Broccoli Planting Calendar

Activity When Date Range
Start Indoors February 1 Feb 1 โ€“ Feb 15
Transplant Outdoors March 8 Mar 8 โ€“ Mar 22
Direct Sow February 22 Feb 22 โ€“ Mar 15
Fall Sowing September 6 Sep 6 โ€“ Sep 20
Harvest May 10 May 10 โ€“ Jun 21

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

Month-by-Month Timeline

MonthActivities
January โ€”
February Start Indoors Direct Sow
March Transplant Outdoors Direct Sow
April โ€”
May Harvest
June Harvest
July โ€”
August โ€”
September Fall Sowing
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“90 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8b

Growing Season

252 days

Growing Tips for Concordia Parish

Start seeds indoors 6-8 weeks before last frost. Provide consistent moisture to prevent hollow stems. Harvest heads before yellow flowers appear.

Companion Planting

Good Companions

Avoid Planting Near

  • Tomatoes
  • Strawberries

Level Up Your Garden

๐ŸŒพ Save Your Own Broccoli Seeds
Life Cycle Biennial
Pollination Cross-Pollinated (insects)
How to Collect Allow plants to flower 2nd year; collect dry pods.
Storage Store airtight; viable 5 years at 35ยฐF, under 50% humidity.

Isolate 1/2 mile from other brassicas. Biennial โ€” must overwinter roots.

Frequently Asked Questions

When should I plant Broccoli in Concordia Parish, LA?

Concordia Parish is in Zone 8b with an average last frost of March 8. Plan your Broccoli planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Concordia Parish, LA?

Concordia Parish, Louisiana is in USDA Hardiness Zone 8b. The average last spring frost is March 8 and first fall frost is November 15.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Concordia Parish gardeners in Zone 8b organize planting dates, track what's growing, and never miss a planting window.

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Free download. Plan your entire garden season in minutes.

Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Concordia Parish, LA. Local conditions may vary. Last updated: April 2026.