Elverson, PA 19520 Frost Dates
When can you plant in Elverson, PA?
Typically, the last spring freeze lands around 04/16, roughly 231 days out. The first fall frost typically arrives around 10/27, about 193 frost-free days later.
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 Elverson, not a forecast for this year.
What to do before the first frost
About 9 weeks of growing season left in Elverson 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
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Elverson compares
About 193 days separate Elverson's last and first frost, putting it 19,973 of 40,283 ZIP codes nationally. Within PA, it ranks 489 of 2,088.
Learn more
local microclimates covers what one yard in Elverson can differ from the 19520 normal. zone vs. frost date covers why Zone 7a and Elverson's frost date answer different questions.