Milford, PA 18337 Frost Dates
When can you plant in Milford, PA?
Typically, the last spring freeze lands around 05/05, roughly 250 days out. The first fall frost typically arrives around 10/10, about 158 frost-free days later.
Milford sits in USDA Zone 6b (-5 to 0°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
About 6 weeks of growing season left in Milford 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
05/05 is the middle of 30 years of NOAA records, not a promise. Plant by 04/22 and you're betting against frost in roughly 9 years out of 10. 05/19 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Milford compares
About 158 days separate Milford's last and first frost, putting it 33,059 of 40,283 ZIP codes nationally. Within PA, it ranks 1,747 of 2,088.
Learn more
local microclimates covers what one yard in Milford can differ from the 18337 normal. zone vs. frost date covers why Zone 6b and Milford's frost date answer different questions.