FrostDateCheck

Orangeville, PA 17859 Frost Dates

17859, near Orangeville, PA: the frost window

Zone 6b

Around 04/27 is the usual last spring frost, about 242 days away. Fall's first freeze usually shows up around 10/20, roughly 172 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Orangeville 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

Orangeville's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

The actual range around Orangeville's last frost

04/27 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 05/15 and only about 1 year in 10 sees frost after that.

Orangeville against the rest of the dataset

Orangeville's growing season runs about 172 days, ranking 28,447 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,405 of 2,088.

Learn more

Two guides worth reading on 17859: local microclimates, on what one yard in Orangeville can differ from the 17859 normal, and zone vs. frost date, on why Zone 6b and Orangeville's frost date answer different questions.