Blacksburg, VA 24023 Frost Dates
When can you plant in Blacksburg, VA?
The last spring frost here typically falls around 04/24, about 239 days from today. The first fall frost typically arrives around 10/19, about 175 frost-free days later.
Blacksburg sits in USDA Zone 7b (5 to 10°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.
What to do before the first frost
About 7 weeks of growing season left in Blacksburg before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Blacksburg's last frost
04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/11 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Blacksburg compares
Blacksburg's growing season runs about 175 days, ranking 26,740 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 1,049 of 1,178.
Learn more
the frost range covers how to read the range around Blacksburg's dates instead of trusting one. local microclimates covers what one yard in Blacksburg can differ from the 24023 normal.