The Plains, VA 20115 Frost Dates
20115, near The Plains, VA: the frost window
Around 04/17 is the usual last spring frost, about 232 days away. Fall's first freeze usually shows up around 11/01, roughly 198 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts The Plains 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
The Plains's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around The Plains's last frost
04/17 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 05/06 and only about 1 year in 10 sees frost after that.
The Plains against the rest of the dataset
The Plains's growing season runs about 198 days, ranking 18,529 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 718 of 1,178.
Learn more
Two guides worth reading on 20115: zone vs. frost date, on why Zone 7a and The Plains's frost date answer different questions, and the frost range, on how to read the range around The Plains's dates instead of trusting one.