Mount Jackson, VA 22845 Frost Dates
22845, near Mount Jackson, VA: the frost window
The last spring frost here typically falls around 04/25, about 240 days from today. Fall's first freeze usually shows up around 10/19, roughly 174 days after the last spring frost.
Zone 6b (-5 to 0°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 Mount Jackson, not a forecast for this year.
Stretching the season past the first frost
Mount Jackson's growing season runs out in roughly 7 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
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
About 174 days separate Mount Jackson's last and first frost, putting it 27,505 of 40,283 ZIP codes nationally. Within VA, it ranks 1,095 of 1,178.
Learn more
Two guides worth reading on 22845: zone vs. frost date, on why Zone 6b and Mount Jackson's frost date answer different questions, and the frost range, on how to read the range around Mount Jackson's dates instead of trusting one.