Occoquan, VA 22193 Frost Dates
Occoquan, VA: when does the frost end?
The last spring frost here typically falls around 03/28, about 212 days from today. Fall's first freeze usually shows up around 11/08, roughly 226 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Occoquan 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 10 weeks until Occoquan's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Occoquan's last frost
03/28 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/08 and only about 1 year in 10 sees frost after that.
Occoquan against the rest of the dataset
About 226 days separate Occoquan's last and first frost, putting it 11,245 of 40,283 ZIP codes nationally. Within VA, it ranks 149 of 1,178.
Learn more
Before leaning on 22193's figures: the frost range explains how to read the range around Occoquan's dates instead of trusting one, while local microclimates explains what one yard in Occoquan can differ from the 22193 normal.