East Side, PA 18661 Frost Dates
When can you plant in East Side, PA?
Around 04/23 is the usual last spring frost, about 238 days away. The first fall frost typically arrives around 10/20, about 178 frost-free days later.
The USDA Plant Hardiness Zone Map puts East Side in Zone 6a (-10 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
About 8 weeks of growing season left in East Side before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around East Side's last frost
04/23 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How East Side compares
About 178 days separate East Side's last and first frost, putting it 25,917 of 40,283 ZIP codes nationally. Within PA, it ranks 938 of 2,088.
Learn more
local microclimates covers what one yard in East Side can differ from the 18661 normal. zone vs. frost date covers why Zone 6a and East Side's frost date answer different questions.