Ivyland, PA 18956 Frost Dates
18956, near Ivyland, PA: the frost window
Typically, the last spring freeze lands around 04/13, roughly 228 days out. Fall's first freeze usually shows up around 10/30, roughly 198 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Ivyland 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
Ivyland's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/13 isn't a guarantee
04/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/27 and only about 1 year in 10 sees frost after that.
Ivyland against the rest of the dataset
About 198 days separate Ivyland's last and first frost, putting it 18,463 of 40,283 ZIP codes nationally. Within PA, it ranks 352 of 2,088.
Learn more
Two guides worth reading on 18956: local microclimates, on what one yard in Ivyland can differ from the 18956 normal, and zone vs. frost date, on why Zone 7a and Ivyland's frost date answer different questions.