Vienna, VA 22181 Frost Dates
Frost dates for Vienna, VA, ZIP 22181
The last spring frost here typically falls around 04/14, about 229 days from today. The first fall frost typically arrives around 10/29, about 198 frost-free days later.
The USDA Plant Hardiness Zone Map puts Vienna in Zone 7b (5 to 10°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 7b around Vienna has about 9 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
04/14 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 04/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Vienna compares
Vienna's growing season runs about 198 days, ranking 18,369 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 697 of 1,178.
Learn more
the frost range explains how to read the range around Vienna's dates instead of trusting one, and local microclimates explains what one yard in Vienna can differ from the 22181 normal.