Elverson, PA 19470 Frost Dates
Frost dates for Elverson, PA, ZIP 19470
The last spring frost here typically falls around 04/11, about 226 days from today. The first fall frost typically arrives around 11/01, about 205 frost-free days later.
Elverson sits in USDA Zone 7a (0 to 5°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 7a around Elverson has about 9 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 04/11 isn't a guarantee
04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 03/28 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Elverson compares
At roughly 205 frost-free days, Elverson places 16,347 of 40,283 ZIP codes in this dataset. Within PA, it ranks 173 of 2,088.
Learn more
local microclimates explains what one yard in Elverson can differ from the 19470 normal, and zone vs. frost date explains why Zone 7a and Elverson's frost date answer different questions.