When to Plant Cauliflower in Bossier Parish, LA
Cauliflower is a cool-season brassica that produces dense white, purple, or green heads called curds. It is more finicky than broccoli but rewards with a mild, nutty flavor.
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 94°F, providing good warmth for Cauliflower during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Cauliflower root diseases.
Bossier Parish Soil Profile
Soil Type
Loam
Soil pH
6-7.2
Drainage
Well Drained
Plant Planting Risk Windows
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
Cauliflower Planting Timeline — Bossier Parish, LA
Cauliflower Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 8 | Feb 8 – Feb 22 |
| Transplant Outdoors | March 15 | Mar 15 – Mar 29 |
| Direct Sow | March 1 | Mar 1 – Mar 22 |
| Fall Sowing | September 5 | Sep 5 – Sep 19 |
| Harvest | May 10 | May 10 – Jul 12 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Transplant Outdoors Direct Sow |
| April | — |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| August | — |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
High — keep soil consistently moist
Days to Maturity
55–100 days
Soil pH
6 – 7
USDA Zone
Zone 8a
Growing Season
244 days
Growing Tips for Bossier Parish
Start seeds indoors 6 weeks before transplanting. Blanch white varieties by tying outer leaves over the head. Provide consistent moisture and avoid temperature extremes.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Cauliflower in Other Locations
Frequently Asked Questions
When should I plant Cauliflower in Bossier Parish, LA?
Bossier Parish is in Zone 8a with an average last frost of March 15. Plan your Cauliflower planting based on this frost date — 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.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Bossier Parish gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.
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