Alexandria, VA 22202 Frost Dates
Frost dates for Alexandria, VA, ZIP 22202
Around 03/24 is the usual last spring frost, about 208 days away. The first fall frost typically arrives around 11/18, about 241 frost-free days later.
The USDA Plant Hardiness Zone Map puts Alexandria in Zone 8a (10 to 15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's 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
Alexandria's growing season runs about 241 days, ranking 8,474 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 19 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 22202 normal.