When to plant in Broussard, LA
USDA Zone 9aEverything below — frost dates, hardiness zone, and what to plant when in Broussard, Louisiana — is derived from the closest NOAA station with complete climate normals.
Broussard enjoys a long ~294-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. Zone 9a is warm enough that Broussard can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
Frost probability
LAFAYETTE RGNL AP · 1991–2020The date the last spring and first fall frost occur, by threshold and probability. A 90% date is later in spring — and earlier in fall — than a 10% date; the 50% · 32°F row is what most gardeners plan around. These are Broussard’s own odds, recorded at LAFAYETTE RGNL AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 25 | Mar 3 | Feb 1 | Nov 4 | Nov 20 | Dec 10 |
| 32°F | Mar 10 | Feb 13 | Jan 13 | Nov 13 | Dec 4 | Jan 5 |
| 28°F | Feb 28 | Jan 27 | Dec 29 | Dec 1 | Dec 30 | Jan 23 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Full-year planting calendar
Each bar is the exact window to take a planting action in Broussard, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 10 km · complete 32°F normalsWhen stations disagree by more than a few days, that spread is real microclimate variation — elevation, water, urban heat. Judge which station best matches your own yard.
Broussard planting FAQ
When is the last spring frost in Broussard, LA?
Plan for the last spring frost in Broussard around February 13 (the date it has a 50% chance of a 32°F freeze). Anything frost-sensitive should go out after it.
When is the first fall frost in Broussard, LA?
In Broussard, the first 32°F freeze of fall lands around December 4 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Broussard in?
Broussard is in USDA hardiness zone 9a. In zone 9a, winters are mild — many tender perennials overwinter here.
How long is the growing season in Broussard?
There are roughly 294 frost-free days in Broussard (a long growing season), running from the average last frost around February 13 to the first fall frost near December 4.
When should I plant tomatoes in Broussard?
In Broussard, start tomato seeds indoors around December 19–January 2, then transplant seedlings outdoors around February 20 once the danger of frost has passed.
Never miss a window in Broussard
An email when it’s time to start seeds, transplant, and sow — timed to Broussard’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Youngsville · 6 km
- Lafayette · 10 km
- New Iberia · 20 km
- Carencro · 21 km
- Abbeville · 24 km
- Crowley · 41 km
- Opelousas · 45 km
- Gardere · 83 km
Frost dates recorded at LAFAYETTE RGNL AP, 8 km from the city center · 1991–2020 NOAA climate normals · zone from the USDA/PRISM 2023 map. How we compute this.
BlissGarden. "When to Plant in Broussard, LA — Frost Dates & Zone 9a." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USW00013976. Retrieved from https://blissgarden.com/louisiana/broussard.