Blain, PA 17035 Frost Dates
Blain, PA: when does the frost end?
Typically, the last spring freeze lands around 04/21, roughly 236 days out. Fall's first freeze usually shows up around 10/24, roughly 185 days after the last spring frost.
Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Blain, not a forecast for this year.
Stretching the season past the first frost
With roughly 8 weeks until Blain's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Blain's last frost
04/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/09 and only about 1 year in 10 sees frost after that.
Blain against the rest of the dataset
Blain's growing season runs about 185 days, ranking 23,335 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 739 of 2,088.
Learn more
Before leaning on 17035's figures: the frost range explains how to read the range around Blain's dates instead of trusting one, while local microclimates explains what one yard in Blain can differ from the 17035 normal.