Lake Helen, FL 32170 Frost Dates
Lake Helen, FL: when does the frost end?
Typically, the last spring freeze lands around 02/17, roughly 173 days out. Fall's first freeze usually shows up around 12/30, roughly 310 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Lake Helen in Zone 10a (30 to 35°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 18 weeks until Lake Helen's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Lake Helen's last frost
02/17 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 01/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/19 and only about 1 year in 10 sees frost after that.
Lake Helen against the rest of the dataset
At roughly 310 frost-free days, Lake Helen places 3,580 of 40,283 ZIP codes in this dataset. Within FL, it ranks 1,269 of 1,609.
Learn more
Before leaning on 32170's figures: the frost range explains how to read the range around Lake Helen's dates instead of trusting one, while local microclimates explains what one yard in Lake Helen can differ from the 32170 normal.