FrostDateCheck

Windsor, VA 23487 Frost Dates

23487, near Windsor, VA: the frost window

Zone 8a

Typically, the last spring freeze lands around 03/27, roughly 211 days out. Fall's first freeze usually shows up around 11/15, roughly 233 days after the last spring frost.

Windsor sits in USDA Zone 8a (10 to 15°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

Windsor's growing season runs out in roughly 11 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

03/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/09 and only about 1 year in 10 sees frost after that.

Windsor against the rest of the dataset

About 233 days separate Windsor's last and first frost, putting it 9,902 of 40,283 ZIP codes nationally. Within VA, it ranks 102 of 1,178.

Learn more

Two guides worth reading on 23487: local microclimates, on what one yard in Windsor can differ from the 23487 normal, and zone vs. frost date, on why Zone 8a and Windsor's frost date answer different questions.