Salisbury, MD 21804 Frost Dates
Frost dates for Salisbury, MD, ZIP 21804
Typically, the last spring freeze lands around 04/03, roughly 218 days out. The first fall frost typically arrives around 11/07, about 217 frost-free days later.
Salisbury 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
Zone 7b around Salisbury has about 10 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Salisbury's last frost
04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 03/18 and you're betting against frost in roughly 9 years out of 10. 04/25 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Salisbury compares
At roughly 217 frost-free days, Salisbury places 13,411 of 40,283 ZIP codes in this dataset. Within MD, it ranks 276 of 583.
Learn more
zone vs. frost date explains why Zone 7b and Salisbury's frost date answer different questions, and the frost range explains how to read the range around Salisbury's dates instead of trusting one.