Chester, PA 08014 Frost Dates
When can you plant in Chester, PA?
Typically, the last spring freeze lands around 04/02, roughly 217 days out. The first fall frost typically arrives around 11/10, about 224 frost-free days later.
Zone 8a (10 to 15°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 Chester, not a forecast for this year.
What to do before the first frost
About 11 weeks of growing season left in Chester 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
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/19 and you're betting against frost in roughly 9 years out of 10. 04/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Chester compares
About 224 days separate Chester's last and first frost, putting it 11,747 of 40,283 ZIP codes nationally. Within PA, it ranks 2 of 2,088.
Learn more
the frost range covers how to read the range around Chester's dates instead of trusting one. local microclimates covers what one yard in Chester can differ from the 08014 normal.