Christiansburg, VA 24138 Frost Dates
Christiansburg, VA: when does the frost end?
Around 04/19 is the usual last spring frost, about 234 days away. Fall's first freeze usually shows up around 10/23, roughly 186 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Christiansburg in Zone 7a (0 to 5°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 8 weeks until Christiansburg'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
04/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/03 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/09 and only about 1 year in 10 sees frost after that.
Christiansburg against the rest of the dataset
At roughly 186 frost-free days, Christiansburg places 22,729 of 40,283 ZIP codes in this dataset. Within VA, it ranks 926 of 1,178.
Learn more
Before leaning on 24138's figures: local microclimates explains what one yard in Christiansburg can differ from the 24138 normal, while zone vs. frost date explains why Zone 7a and Christiansburg's frost date answer different questions.