Queenstown, MD 21658 Frost Dates
Frost dates for Queenstown, MD, ZIP 21658
Typically, the last spring freeze lands around 03/29, roughly 213 days out. The first fall frost typically arrives around 11/12, about 228 frost-free days later.
Queenstown sits in USDA Zone 8a (10 to 15°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 8a around Queenstown has about 11 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.
How much risk comes with planting early here
03/29 is the middle of 30 years of NOAA records, not a promise. Plant by 03/15 and you're betting against frost in roughly 9 years out of 10. 04/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Queenstown compares
At roughly 228 frost-free days, Queenstown places 10,888 of 40,283 ZIP codes in this dataset. Within MD, it ranks 101 of 583.
Learn more
the frost range explains how to read the range around Queenstown's dates instead of trusting one, and local microclimates explains what one yard in Queenstown can differ from the 21658 normal.