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When to Plant Broccoli in Madison 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.

Madison Parish, Louisiana is in USDA Zone 8a. The average last spring frost is March 9 and the first fall frost is November 14, giving you a growing season of approximately 250 days.

At an elevation of 62 feet, Madison Parish receives approximately 51.2 inches of rainfall annually with predominantly loam soil. Summer highs average 94ยฐF, providing good warmth for Broccoli during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Broccoli root diseases.

Madison Parish, LA (Zone 8a) Long season
250 days
Last Spring Frost March 9
250 growing days
First Fall Frost November 14

Madison Parish Soil Profile

Soil Type

Loam

Soil pH

6-7

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (141 days to spare)
Start indoors: Jan 26 Transplant: Mar 2 🍅 Harvest: May 4 – Jun 15
Recommended (50%) ✓ Fits season (145 days to spare)
Start indoors: Feb 2 Transplant: Mar 9 🍅 Harvest: May 11 – Jun 22
Safe Start (90%) ✓ Fits season (140 days to spare)
Start indoors: Feb 23 Transplant: Mar 30 🍅 Harvest: Jun 1 – Jul 13

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
0.9″/week
You supply
0.1″/week
Watering frequency Only during dry spells
Season total 311 gal / 100 sq ft
Broccoli needs ~1,538 GDD — county provides 5,125 GDD Excellent fit

Broccoli Planting Timeline โ€” Madison Parish, LA

Broccoli Planting Calendar

Activity When Date Range
Start Indoors February 2 Feb 2 โ€“ Feb 16
Transplant Outdoors March 9 Mar 9 โ€“ Mar 23
Direct Sow February 23 Feb 23 โ€“ Mar 16
Fall Sowing September 5 Sep 5 โ€“ Sep 19
Harvest May 11 May 11 โ€“ Jun 22

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 8a

Growing Season

250 days

Growing Tips for Madison 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 Madison Parish, LA?

Madison Parish is in Zone 8a with an average last frost of March 9. Plan your Broccoli planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Madison Parish, LA?

Madison Parish, Louisiana is in USDA Hardiness Zone 8a. The average last spring frost is March 9 and first fall frost is November 14.

๐ŸŒฑ

Plan Your Garden with Confidence

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

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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 Madison Parish, LA. Local conditions may vary. Last updated: April 2026.