Seven Valleys, PA 17360 Frost Dates
When can you plant in Seven Valleys, PA?
Typically, the last spring freeze lands around 04/26, roughly 241 days out. The first fall frost typically arrives around 10/19, about 177 frost-free days later.
The USDA Plant Hardiness Zone Map puts Seven Valleys in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 7 weeks of growing season left in Seven Valleys before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/07 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Seven Valleys compares
About 177 days separate Seven Valleys's last and first frost, putting it 26,228 of 40,283 ZIP codes nationally. Within PA, it ranks 981 of 2,088.
Learn more
local microclimates covers what one yard in Seven Valleys can differ from the 17360 normal. zone vs. frost date covers why Zone 7a and Seven Valleys's frost date answer different questions.