Frostburg, MD 21543 Frost Dates
When can you plant in Frostburg, MD?
Around 04/29 is the usual last spring frost, about 244 days away. The first fall frost typically arrives around 10/18, about 171 frost-free days later.
Zone 6b (-5 to 0°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 Frostburg, not a forecast for this year.
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.
Why 04/29 isn't a guarantee
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
About 171 days separate Frostburg's last and first frost, putting it 28,622 of 40,283 ZIP codes nationally. Within MD, it ranks 573 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 21543 normal.