FrostDateCheck

Frostburg, MD 21532 Frost Dates

When can you plant in Frostburg, MD?

Zone 6a

Typically, the last spring freeze lands around 04/29, roughly 244 days out. The first fall frost typically arrives around 10/18, about 171 frost-free days later.

Frostburg sits in USDA Zone 6a (-10 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 Frostburg before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Frostburg's last frost

04/29 is the middle of 30 years of NOAA records, not a promise. Plant by 04/14 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 Frostburg compares

At roughly 171 frost-free days, Frostburg places 28,621 of 40,283 ZIP codes in this dataset. Within MD, it ranks 572 of 583.

Learn more

the frost range covers how to read the range around Frostburg's dates instead of trusting one. local microclimates covers what one yard in Frostburg can differ from the 21532 normal.