Alexandria, VA 22206 Frost Dates
Frost dates for Alexandria, VA, ZIP 22206
Typically, the last spring freeze lands around 03/24, roughly 208 days out. The first fall frost typically arrives around 11/18, about 241 frost-free days later.
Alexandria 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 Alexandria has about 12 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 Alexandria's last frost
03/24 is the middle of 30 years of NOAA records, not a promise. Plant by 03/07 and you're betting against frost in roughly 9 years out of 10. 04/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Alexandria compares
At roughly 241 frost-free days, Alexandria places 8,476 of 40,283 ZIP codes in this dataset. Within VA, it ranks 21 of 1,178.
Learn more
the frost range explains how to read the range around Alexandria's dates instead of trusting one, and local microclimates explains what one yard in Alexandria can differ from the 22206 normal.