Leetsdale, PA 15046 Frost Dates
When can you plant in Leetsdale, PA?
Typically, the last spring freeze lands around 04/28, roughly 243 days out. The first fall frost typically arrives around 10/18, about 172 frost-free days later.
Leetsdale sits in USDA Zone 7a (0 to 5°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 7 weeks of growing season left in Leetsdale 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
04/28 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Leetsdale compares
Leetsdale's growing season runs about 172 days, ranking 28,395 of 40,283 US ZIP codes measured here, longest to shortest. Within PA, it ranks 1,389 of 2,088.
Learn more
local microclimates covers what one yard in Leetsdale can differ from the 15046 normal. zone vs. frost date covers why Zone 7a and Leetsdale's frost date answer different questions.