Hartleton, PA 17845 Frost Dates
17845, near Hartleton, PA: the frost window
Around 04/25 is the usual last spring frost, about 240 days away. Fall's first freeze usually shows up around 10/19, roughly 175 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Hartleton in Zone 6b (-5 to 0°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
Hartleton's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/11 and only about 1 year in 10 sees frost after that.
Hartleton against the rest of the dataset
At roughly 175 frost-free days, Hartleton places 27,246 of 40,283 ZIP codes in this dataset. Within PA, it ranks 1,269 of 2,088.
Learn more
Two guides worth reading on 17845: zone vs. frost date, on why Zone 6b and Hartleton's frost date answer different questions, and the frost range, on how to read the range around Hartleton's dates instead of trusting one.