FrostDateCheck

Fawn Grove, PA 21132 Frost Dates

Frost dates for Fawn Grove, PA, ZIP 21132

Zone 7a

The last spring frost here typically falls around 04/03, about 218 days from today. The first fall frost typically arrives around 11/06, about 217 frost-free days later.

The USDA Plant Hardiness Zone Map puts Fawn Grove 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

Zone 7a around Fawn Grove has about 10 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.

How much risk comes with planting early here

04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 03/22 and you're betting against frost in roughly 9 years out of 10. 04/18 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Fawn Grove compares

Fawn Grove's growing season runs about 217 days, ranking 13,603 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 56 of 2,088.

Learn more

local microclimates explains what one yard in Fawn Grove can differ from the 21132 normal, and zone vs. frost date explains why Zone 7a and Fawn Grove's frost date answer different questions.