Malvern, PA 19482 Frost Dates
When can you plant in Malvern, PA?
The last spring frost here typically falls around 04/18, about 233 days from today. The first fall frost typically arrives around 10/27, about 192 frost-free days later.
The USDA Plant Hardiness Zone Map puts Malvern 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 Malvern 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
04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Malvern compares
At roughly 192 frost-free days, Malvern places 20,330 of 40,283 ZIP codes in this dataset. Within PA, it ranks 525 of 2,088.
Learn more
local microclimates covers what one yard in Malvern can differ from the 19482 normal. zone vs. frost date covers why Zone 7a and Malvern's frost date answer different questions.