FrostDateCheck

Blacksburg, VA 24060 Frost Dates

24060, near Blacksburg, VA: the frost window

Zone 7a

The last spring frost here typically falls around 04/24, about 239 days from today. Fall's first freeze usually shows up around 10/19, roughly 175 days after the last spring frost.

Blacksburg 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

Blacksburg'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

04/24 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 05/14 and only about 1 year in 10 sees frost after that.

Blacksburg against the rest of the dataset

Blacksburg's growing season runs about 175 days, ranking 26,741 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 1,050 of 1,178.

Learn more

Two guides worth reading on 24060: local microclimates, on what one yard in Blacksburg can differ from the 24060 normal, and zone vs. frost date, on why Zone 7a and Blacksburg's frost date answer different questions.