Montoursville, PA 17754 Frost Dates
When can you plant in Montoursville, PA?
Typically, the last spring freeze lands around 04/24, roughly 239 days out. The first fall frost typically arrives around 10/23, about 180 frost-free days later.
The USDA Plant Hardiness Zone Map puts Montoursville in Zone 6b (-5 to 0°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 Montoursville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/24 isn't a guarantee
04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Montoursville compares
Montoursville's growing season runs about 180 days, ranking 24,854 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 848 of 2,088.
Learn more
local microclimates covers what one yard in Montoursville can differ from the 17754 normal. zone vs. frost date covers why Zone 6b and Montoursville's frost date answer different questions.