Donaldsonville, LA 70725 Frost Dates
When can you plant in Donaldsonville, LA?
Typically, the last spring freeze lands around 02/21, roughly 177 days out. The first fall frost typically arrives around 12/05, about 291 frost-free days later.
Donaldsonville sits in USDA Zone 9a (20 to 25°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 14 weeks of growing season left in Donaldsonville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Donaldsonville's last frost
02/21 is the middle of 30 years of NOAA records, not a promise. Plant by 01/23 and you're betting against frost in roughly 9 years out of 10. 03/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Donaldsonville compares
Donaldsonville's growing season runs about 291 days, ranking 4,442 of 40,283 US ZIP codes measured here, longest to shortest. Within LA, it ranks 228 of 710.
Learn more
local microclimates covers what one yard in Donaldsonville can differ from the 70725 normal. zone vs. frost date covers why Zone 9a and Donaldsonville's frost date answer different questions.