When to plant in Morgan City, LA
USDA Zone 9bEverything below — frost dates, hardiness zone, and what to plant when in Morgan City, Louisiana — is derived from the closest NOAA station with complete climate normals.
A ~-29-day frost-free window makes Morgan City a short-season garden: choose early varieties and start long-season crops indoors well ahead of the last frost. Zone 9b is warm enough that Morgan City can grow subtropical perennials, and the short (or absent) frost period barely limits the annual calendar.
The average first fall frost in Morgan City is now 9 days later than in the 1981–2010 normals. See how frost dates are shifting nationwide →
Frost probability
MORGAN CITY · 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 Morgan City’s own odds, recorded at MORGAN CITY.
| Threshold | SPRING 10% | SPRING 50% | SPRING 90% | FALL 10% | FALL 50% | FALL 90% |
|---|---|---|---|---|---|---|
| 36°F | Mar 13 | Feb 15 | Jan 15 | Nov 20 | Dec 14 | Jan 14 |
| 32°F | Mar 5 | Jan 30 | Dec 30 | Dec 2 | Jan 1 | Feb 2 |
| 28°F | Mar 1 | Jan 22 | Dec 27 | Dec 17 | Jan 6 | Feb 5 |
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 Morgan City, drawn to the day from the local frost dates. The dashed line is today.
Nearby weather stations
3 within 36 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.
Morgan City planting FAQ
When is the last spring frost in Morgan City, LA?
Plan for the last spring frost in Morgan City around January 30 (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 Morgan City, LA?
In Morgan City, the first 32°F freeze of fall lands around January 1 on average. Time your last harvests and any season-extension cover before it.
What hardiness zone is Morgan City in?
Morgan City is in USDA hardiness zone 9b. In zone 9b, winters are mild — many tender perennials overwinter here.
How long is the growing season in Morgan City?
There are roughly -29 frost-free days in Morgan City (a short growing season), running from the average last frost around January 30 to the first fall frost near January 1.
When should I plant tomatoes in Morgan City?
In Morgan City, start tomato seeds indoors around December 5–December 19, then transplant seedlings outdoors around February 6 once the danger of frost has passed.
Never miss a window in Morgan City
An email when it’s time to start seeds, transplant, and sow — timed to Morgan City’s frost dates. Double opt-in, one-click unsubscribe, no spam.
Nearby cities
8 within reach- Thibodaux · 38 km
- Bayou Cane · 44 km
- Houma · 49 km
- Bayou Blue · 51 km
- Gonzales · 62 km
- New Iberia · 69 km
- Prairieville · 71 km
- Gardere · 72 km
Frost dates recorded at MORGAN CITY, 3 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 Morgan City, LA — Frost Dates & Zone 9b." Frost normals: NOAA NCEI U.S. Climate Normals 1991–2020, station USC00166394. Retrieved from https://blissgarden.com/louisiana/morgan-city.