Houma, LA 70361 Frost Dates
When can you plant in Houma, LA?
Around 02/05 is the usual last spring frost, about 161 days away. The first fall frost typically arrives around 12/17, about 312 frost-free days later.
Houma sits in USDA Zone 9b (25 to 30°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
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.
How much risk comes with planting early here
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
Houma's growing season runs about 312 days, ranking 3,474 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 61 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.