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When to Plant Tomatoes in Bossier Parish, LA

Tomatoes are the most popular home garden crop, available in thousands of varieties from tiny cherries to massive beefsteaks. They are warm-season plants needing full sun.

Bossier Parish, Louisiana is in USDA Zone 8a. The average last spring frost is March 15 and the first fall frost is November 14, giving you a growing season of approximately 244 days.

At an elevation of 469 feet, Bossier Parish receives approximately 59.2 inches of rainfall annually with predominantly loam soil. Summer highs average 94ยฐF, providing good warmth for Tomatoes during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Tomatoes root diseases.

Bossier Parish, LA (Zone 8a) Long season
244 days
Last Spring Frost March 15
244 growing days
First Fall Frost November 14

Bossier Parish Soil Profile

Soil Type

Loam

Soil pH

6-7.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (93 days to spare)
Start indoors: Jan 19 Transplant: Mar 23 🍅 Harvest: May 25 – Aug 3
Recommended (50%) ✓ Fits season (97 days to spare)
Start indoors: Jan 25 Transplant: Mar 29 🍅 Harvest: May 31 – Aug 9
Safe Start (90%) ✓ Fits season (89 days to spare)
Start indoors: Feb 18 Transplant: Apr 22 🍅 Harvest: Jun 24 – Sep 2

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
Tomatoes needs ~1,486 GDD — county provides 5,002 GDD Excellent fit

Tomatoes Planting Timeline โ€” Bossier Parish, LA

Tomatoes Planting Calendar

Activity When Date Range
Start Indoors January 25 Jan 25 โ€“ Feb 8
Transplant Outdoors March 29 Mar 29 โ€“ Apr 12
Direct Sow March 22 Mar 22 โ€“ Apr 12
Harvest May 31 May 31 โ€“ Aug 9

Plant 0.5" deep ยท 24" apart ยท Rows 36" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“85 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 8a

Growing Season

244 days

Growing Tips for Bossier Parish

Start seeds indoors 6-8 weeks before last frost. Bury transplants deep to encourage rooting along the stem. Provide consistent moisture to prevent blossom end rot and cracking.

Companion Planting

Good Companions

Avoid Planting Near

  • Cabbage
  • Fennel
  • Potatoes

Level Up Your Garden

๐ŸŒพ Save Your Own Tomatoes Seeds
Life Cycle Annual
Pollination Self-Pollinating
How to Collect Scoop seeds from ripe fruit; ferment 2-3 days to remove gel coating.
Storage Store airtight; viable 4-6 years at 35ยฐF, under 45% humidity.

Isolate 25 ft between varieties for purity. Use open-pollinated varieties for true-to-type seeds.

Frequently Asked Questions

When should I plant Tomatoes in Bossier Parish, LA?

Bossier Parish is in Zone 8a with an average last frost of March 15. Plan your Tomatoes planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Bossier Parish, LA?

Bossier Parish, Louisiana is in USDA Hardiness Zone 8a. The average last spring frost is March 15 and first fall frost is November 14.

๐ŸŒฑ

Plan Your Garden with Confidence

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

Get Your Free Garden Planner →

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