Haymarket, VA 20169 Frost Dates
20169, near Haymarket, VA: the frost window
Typically, the last spring freeze lands around 04/15, roughly 230 days out. Fall's first freeze usually shows up around 10/24, roughly 194 days after the last spring frost.
Haymarket 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
Haymarket'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.
How much risk comes with planting early here
04/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/31 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/30 and only about 1 year in 10 sees frost after that.
Haymarket against the rest of the dataset
Haymarket's growing season runs about 194 days, ranking 19,514 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 771 of 1,178.
Learn more
Two guides worth reading on 20169: local microclimates, on what one yard in Haymarket can differ from the 20169 normal, and zone vs. frost date, on why Zone 7a and Haymarket's frost date answer different questions.