When to Plant Broccoli in Allen 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.
Allen Parish, Louisiana is in USDA Zone 8b. The average last spring frost is February 13 and the first fall frost is December 7, giving you a growing season of approximately 297 days.
At an elevation of 367 feet, Allen Parish receives approximately 51.4 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 96°F, so Broccoli may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Broccoli will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Broccoli root diseases.
Allen Parish Soil Profile
Soil Type
Sandy Loam
Soil pH
4.9-6.3
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
Broccoli Planting Timeline — Allen Parish, LA
Broccoli Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 9 | Jan 9 – Jan 23 |
| Transplant Outdoors | February 13 | Feb 13 – Feb 27 |
| Direct Sow | January 30 | Jan 30 – Feb 20 |
| Fall Sowing | September 28 | Sep 28 – Oct 12 |
| Harvest | April 17 | Apr 17 – May 29 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors Direct Sow |
| February | Transplant Outdoors Direct Sow |
| March | — |
| April | Harvest |
| May | Harvest |
| June | — |
| July | — |
| August | — |
| September | Fall Sowing |
| October | Fall Sowing |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
60–90 days
Soil pH
6 – 7
USDA Zone
Zone 8b
Growing Season
297 days
Growing Tips for Allen 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
Level Up Your Garden
Isolate 1/2 mile from other brassicas. Biennial — must overwinter roots.
Broccoli in Other Locations
Frequently Asked Questions
When should I plant Broccoli in Allen Parish, LA?
Allen Parish is in Zone 8b with an average last frost of February 13. Plan your Broccoli planting based on this frost date — see the calendar above for exact timing.
What planting zone is Allen Parish, LA?
Allen Parish, Louisiana is in USDA Hardiness Zone 8b. The average last spring frost is February 13 and first fall frost is December 7.
Plan Your Garden with Confidence
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