Houma, LA 70343 Frost Dates
When can you plant in Houma, LA?
Typically, the last spring freeze lands around 02/05, roughly 161 days out. The first fall frost typically arrives around 12/17, about 312 frost-free days later.
Zone 9b (25 to 30°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Houma, not a forecast for this year.
What to do before the first frost
About 16 weeks of growing season left in Houma before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Houma's last frost
02/05 is the middle of 30 years of NOAA records, not a promise. Plant by 01/06 and you're betting against frost in roughly 9 years out of 10. 03/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Houma compares
About 312 days separate Houma's last and first frost, putting it 3,471 of 40,283 ZIP codes nationally. Within LA, it ranks 58 of 710.
Learn more
zone vs. frost date covers why Zone 9b and Houma's frost date answer different questions. the frost range covers how to read the range around Houma's dates instead of trusting one.