Fredericksburg, VA 22430 Frost Dates
Frost dates for Fredericksburg, VA, ZIP 22430
Around 03/28 is the usual last spring frost, about 212 days away. The first fall frost typically arrives around 11/08, about 226 frost-free days later.
Fredericksburg 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.
What to do before the first frost
Zone 7b around Fredericksburg has about 10 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 03/28 isn't a guarantee
03/28 is the middle of 30 years of NOAA records, not a promise. Plant by 03/14 and you're betting against frost in roughly 9 years out of 10. 04/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Fredericksburg compares
At roughly 226 frost-free days, Fredericksburg places 11,152 of 40,283 ZIP codes in this dataset. Within VA, it ranks 134 of 1,178.
Learn more
local microclimates explains what one yard in Fredericksburg can differ from the 22430 normal, and zone vs. frost date explains why Zone 7b and Fredericksburg's frost date answer different questions.