Prospect Park, PA 19098 Frost Dates
19098, near Prospect Park, PA: the frost window
The last spring frost here typically falls around 04/02, about 217 days from today. Fall's first freeze usually shows up around 11/10, roughly 224 days after the last spring frost.
Prospect Park sits in USDA Zone 7b (5 to 10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Prospect Park's growing season runs out in roughly 11 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/02 isn't a guarantee
04/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/19 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/13 and only about 1 year in 10 sees frost after that.
Prospect Park against the rest of the dataset
Prospect Park's growing season runs about 224 days, ranking 11,830 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 20 of 2,088.
Learn more
Two guides worth reading on 19098: the frost range, on how to read the range around Prospect Park's dates instead of trusting one, and local microclimates, on what one yard in Prospect Park can differ from the 19098 normal.