Martinsville, VA 24112 Frost Dates
24112, near Martinsville, VA: the frost window
Around 04/24 is the usual last spring frost, about 239 days away. Fall's first freeze usually shows up around 10/21, roughly 179 days after the last spring frost.
Martinsville 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.
Stretching the season past the first frost
Martinsville's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/24 isn't a guarantee
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 05/11 and only about 1 year in 10 sees frost after that.
Martinsville against the rest of the dataset
Martinsville's growing season runs about 179 days, ranking 25,228 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 1,024 of 1,178.
Learn more
Two guides worth reading on 24112: local microclimates, on what one yard in Martinsville can differ from the 24112 normal, and zone vs. frost date, on why Zone 7b and Martinsville's frost date answer different questions.