Mount Jackson, VA 22810 Frost Dates
Mount Jackson, VA: when does the frost end?
Around 04/25 is the usual last spring frost, about 240 days away. 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
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.
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
At roughly 174 frost-free days, Mount Jackson places 27,503 of 40,283 ZIP codes in this dataset. Within VA, it ranks 1,093 of 1,178.
Learn more
Before leaning on 22810's figures: the frost range explains how to read the range around Mount Jackson's dates instead of trusting one, while local microclimates explains what one yard in Mount Jackson can differ from the 22810 normal.