When to plant in New Iberia, LA
USDA Zone 9bNew Iberia, Louisiana frost dates, USDA zone, and a full-year planting calendar, drawn from the nearest NOAA station and tuned to the local season.
New Iberia enjoys a long ~304-day frost-free season — you can succession-sow, fit in a second crop, and grow long-season heat-lovers with room to spare. Zone 9b is warm enough that New Iberia can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average last spring frost in New Iberia is now 9 days earlier than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
NEW IBERIA ACADIANA 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 New Iberia’s own odds, recorded at NEW IBERIA ACADIANA AP.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 23 | Feb 28 | Feb 2 | Nov 5 | Nov 26 | Dec 21 |
| 32°F | Mar 9 | Feb 10 | Jan 11 | Nov 17 | Dec 11 | Jan 11 |
| 28°F | Feb 28 | Jan 29 | Dec 27 | Dec 1 | Jan 3 | Feb 3 |
Download this table as CSV ↓ — every threshold and probability, plus this city’s planting-window dates.
What to plant now
TODAY · JULY 19Nothing new to sow or transplant outdoors in the next few weeks — a seasonal lull. Check the full-year calendar below for the next window.
Full-year planting calendar
Each bar is the exact window to take a planting action in New Iberia, 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.
New Iberia planting FAQ
When is the last spring frost in New Iberia, LA?
Plan for the last spring frost in New Iberia around February 10 (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 New Iberia, LA?
The first fall frost in New Iberia typically arrives around December 11 (50% probability at 32°F). Harvest or protect frost-sensitive crops before then.
What hardiness zone is New Iberia in?
New Iberia is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in New Iberia?
There are roughly 304 frost-free days in New Iberia (a long growing season), running from the average last frost around February 10 to the first fall frost near December 11.
When should I plant tomatoes in New Iberia?
In New Iberia, start tomato seeds indoors around December 16–December 30, then transplant seedlings outdoors around February 17 once the danger of frost has passed.
Never miss a window in New Iberia
An email when it’s time to start seeds, transplant, and sow — timed to New Iberia’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Broussard · 20 km
- Youngsville · 20 km
- Abbeville · 30 km
- Lafayette · 30 km
- Carencro · 40 km
- Crowley · 58 km
- Opelousas · 63 km
- Morgan City · 69 km
Frost dates recorded at NEW IBERIA ACADIANA AP, 7 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 New Iberia, LA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00166657. Retrieved from https://blissgarden.com/louisiana/new-iberia.