Alexandria, VA 22313 Frost Dates
Alexandria, VA: when does the frost end?
The last spring frost here typically falls around 03/24, about 208 days from today. Fall's first freeze usually shows up around 11/18, roughly 241 days after the last spring frost.
Zone 8a (10 to 15°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Alexandria, not a forecast for this year.
Stretching the season past the first frost
With roughly 12 weeks until Alexandria's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Alexandria's last frost
03/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/06 and only about 1 year in 10 sees frost after that.
Alexandria against the rest of the dataset
About 241 days separate Alexandria's last and first frost, putting it 8,490 of 40,283 ZIP codes nationally. Within VA, it ranks 35 of 1,178.
Learn more
Before leaning on 22313's figures: local microclimates explains what one yard in Alexandria can differ from the 22313 normal, while zone vs. frost date explains why Zone 8a and Alexandria's frost date answer different questions.