FrostDateCheck

Malvern, PA 19301 Frost Dates

When can you plant in Malvern, PA?

Zone 7a

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.

Zone 7a (0 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 Malvern, not a forecast for this year.

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 20,325 of 40,283 ZIP codes in this dataset. Within PA, it ranks 520 of 2,088.

Learn more

zone vs. frost date covers why Zone 7a and Malvern's frost date answer different questions. the frost range covers how to read the range around Malvern's dates instead of trusting one.