Fredericksburg, VA 22405 Frost Dates
Frost dates for Fredericksburg, VA, ZIP 22405
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.
The USDA Plant Hardiness Zone Map puts Fredericksburg in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's 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.
How much risk comes with planting early here
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
Fredericksburg's growing season runs about 226 days, ranking 11,148 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 130 of 1,178.
Learn more
local microclimates explains what one yard in Fredericksburg can differ from the 22405 normal, and zone vs. frost date explains why Zone 7b and Fredericksburg's frost date answer different questions.