Barclay, MD 21644 Frost Dates
When can you plant in Barclay, MD?
Typically, the last spring freeze lands around 04/03, roughly 218 days out. The first fall frost typically arrives around 11/05, about 217 frost-free days later.
Barclay sits in USDA Zone 7b (5 to 10°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 10 weeks of growing season left in Barclay 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
04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 03/20 and you're betting against frost in roughly 9 years out of 10. 04/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Barclay compares
About 217 days separate Barclay's last and first frost, putting it 13,620 of 40,283 ZIP codes nationally. Within MD, it ranks 331 of 583.
Learn more
the frost range covers how to read the range around Barclay's dates instead of trusting one. local microclimates covers what one yard in Barclay can differ from the 21644 normal.