Terre Hill, PA 17549 Frost Dates
Terre Hill, PA: when does the frost end?
Typically, the last spring freeze lands around 04/16, roughly 231 days out. Fall's first freeze usually shows up around 10/27, roughly 193 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Terre Hill 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
With roughly 9 weeks until Terre Hill's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Terre Hill's last frost
04/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/30 and only about 1 year in 10 sees frost after that.
Terre Hill against the rest of the dataset
Terre Hill's growing season runs about 193 days, ranking 19,987 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 493 of 2,088.
Learn more
Before leaning on 17549's figures: the frost range explains how to read the range around Terre Hill's dates instead of trusting one, while local microclimates explains what one yard in Terre Hill can differ from the 17549 normal.