Lake Helen, FL 32739 Frost Dates
Frost dates for Lake Helen, FL, ZIP 32739
Around 02/17 is the usual last spring frost, about 173 days away. The first fall frost typically arrives around 12/30, about 310 frost-free days later.
The USDA Plant Hardiness Zone Map puts Lake Helen in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 9b around Lake Helen has about 18 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 02/17 isn't a guarantee
02/17 is the middle of 30 years of NOAA records, not a promise. Plant by 01/14 and you're betting against frost in roughly 9 years out of 10. 03/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lake Helen compares
About 310 days separate Lake Helen's last and first frost, putting it 3,587 of 40,283 ZIP codes nationally. Within FL, it ranks 1,276 of 1,609.
Learn more
zone vs. frost date explains why Zone 9b and Lake Helen's frost date answer different questions, and the frost range explains how to read the range around Lake Helen's dates instead of trusting one.