Telford, PA 18971 Frost Dates
18971, near Telford, PA: the frost window
Around 04/26 is the usual last spring frost, about 241 days away. Fall's first freeze usually shows up around 10/17, roughly 175 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Telford in Zone 7a (0 to 5°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
Telford'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
04/26 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 05/12 and only about 1 year in 10 sees frost after that.
Telford against the rest of the dataset
About 175 days separate Telford's last and first frost, putting it 26,886 of 40,283 ZIP codes nationally. Within PA, it ranks 1,136 of 2,088.
Learn more
Two guides worth reading on 18971: the frost range, on how to read the range around Telford's dates instead of trusting one, and local microclimates, on what one yard in Telford can differ from the 18971 normal.