Falls Church, VA 22151 Frost Dates
When can you plant in Falls Church, VA?
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.
Falls Church 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
About 9 weeks of growing season left in Falls Church before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/14 isn't a guarantee
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 Falls Church compares
At roughly 198 frost-free days, Falls Church places 18,377 of 40,283 ZIP codes in this dataset. Within VA, it ranks 702 of 1,178.
Learn more
local microclimates covers what one yard in Falls Church can differ from the 22151 normal. zone vs. frost date covers why Zone 7b and Falls Church's frost date answer different questions.