Zwolle, LA 71486 Frost Dates
Frost dates for Zwolle, LA, ZIP 71486
Around 03/20 is the usual last spring frost, about 204 days away. The first fall frost typically arrives around 11/09, about 236 frost-free days later.
Zone 8b (15 to 20°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 Zwolle, not a forecast for this year.
What to do before the first frost
Zone 8b around Zwolle has about 10 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 03/20 isn't a guarantee
03/20 is the middle of 30 years of NOAA records, not a promise. Plant by 02/26 and you're betting against frost in roughly 9 years out of 10. 04/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Zwolle compares
About 236 days separate Zwolle's last and first frost, putting it 9,434 of 40,283 ZIP codes nationally. Within LA, it ranks 677 of 710.
Learn more
zone vs. frost date explains why Zone 8b and Zwolle's frost date answer different questions, and the frost range explains how to read the range around Zwolle's dates instead of trusting one.