Mount Jackson, VA 22847 Frost Dates
Mount Jackson, VA: when does the frost end?
Typically, the last spring freeze lands around 04/25, roughly 240 days out. Fall's first freeze usually shows up around 10/19, roughly 174 days after the last spring frost.
Mount Jackson sits in USDA Zone 7a (0 to 5°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.
Stretching the season past the first frost
With roughly 7 weeks until Mount Jackson's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Mount Jackson's last frost
04/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
Mount Jackson against the rest of the dataset
Mount Jackson's growing season runs about 174 days, ranking 27,506 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 1,096 of 1,178.
Learn more
Before leaning on 22847's figures: local microclimates explains what one yard in Mount Jackson can differ from the 22847 normal, while zone vs. frost date explains why Zone 7a and Mount Jackson's frost date answer different questions.