Blackstone, VA 23894 Frost Dates
Blackstone, VA: when does the frost end?
Around 04/03 is the usual last spring frost, about 218 days away. Fall's first freeze usually shows up around 11/03, roughly 216 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Blackstone in Zone 7b (5 to 10°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 10 weeks until Blackstone's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Blackstone's last frost
04/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/17 and only about 1 year in 10 sees frost after that.
Blackstone against the rest of the dataset
At roughly 216 frost-free days, Blackstone places 13,788 of 40,283 ZIP codes in this dataset. Within VA, it ranks 313 of 1,178.
Learn more
Before leaning on 23894's figures: the frost range explains how to read the range around Blackstone's dates instead of trusting one, while local microclimates explains what one yard in Blackstone can differ from the 23894 normal.