Hop Bottom, PA 18441 Frost Dates
Frost dates for Hop Bottom, PA, ZIP 18441
Around 05/14 is the usual last spring frost, about 259 days away. The first fall frost typically arrives around 10/01, about 140 frost-free days later.
Zone 6a (-10 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 Hop Bottom, not a forecast for this year.
What to do before the first frost
Zone 6a around Hop Bottom has about 5 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 05/14 isn't a guarantee
05/14 is the middle of 30 years of NOAA records, not a promise. Plant by 04/30 and you're betting against frost in roughly 9 years out of 10. 05/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Hop Bottom compares
Hop Bottom's growing season runs about 140 days, ranking 37,147 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 2,021 of 2,088.
Learn more
zone vs. frost date explains why Zone 6a and Hop Bottom's frost date answer different questions, and the frost range explains how to read the range around Hop Bottom's dates instead of trusting one.