Kilmarnock, VA 22432 Frost Dates
22432, near Kilmarnock, VA: the frost window
Around 03/30 is the usual last spring frost, about 214 days away. Fall's first freeze usually shows up around 11/14, roughly 229 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Kilmarnock in Zone 8a (10 to 15°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
Kilmarnock'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
03/30 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/14 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/11 and only about 1 year in 10 sees frost after that.
Kilmarnock against the rest of the dataset
Kilmarnock's growing season runs about 229 days, ranking 10,615 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 119 of 1,178.
Learn more
Two guides worth reading on 22432: zone vs. frost date, on why Zone 8a and Kilmarnock's frost date answer different questions, and the frost range, on how to read the range around Kilmarnock's dates instead of trusting one.