Falls Church, VA 22046 Frost Dates
Falls Church, VA: when does the frost end?
Typically, the last spring freeze lands around 04/09, roughly 224 days out. Fall's first freeze usually shows up around 10/31, roughly 202 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Falls Church in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 9 weeks until Falls Church's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/26 and only about 1 year in 10 sees frost after that.
Falls Church against the rest of the dataset
At roughly 202 frost-free days, Falls Church places 17,171 of 40,283 ZIP codes in this dataset. Within VA, it ranks 586 of 1,178.
Learn more
Before leaning on 22046's figures: the frost range explains how to read the range around Falls Church's dates instead of trusting one, while local microclimates explains what one yard in Falls Church can differ from the 22046 normal.