Lyons, PA 19536 Frost Dates
When can you plant in Lyons, PA?
Around 04/10 is the usual last spring frost, about 225 days away. The first fall frost typically arrives around 10/31, about 202 frost-free days later.
The USDA Plant Hardiness Zone Map puts Lyons 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
About 9 weeks of growing season left in Lyons before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Lyons's last frost
04/10 is the middle of 30 years of NOAA records, not a promise. Plant by 03/29 and you're betting against frost in roughly 9 years out of 10. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lyons compares
About 202 days separate Lyons's last and first frost, putting it 17,338 of 40,283 ZIP codes nationally. Within PA, it ranks 234 of 2,088.
Learn more
local microclimates covers what one yard in Lyons can differ from the 19536 normal. zone vs. frost date covers why Zone 7a and Lyons's frost date answer different questions.