Winchester, VA 22601 Frost Dates
Frost dates for Winchester, VA, ZIP 22601
Around 04/11 is the usual last spring frost, about 226 days away. The first fall frost typically arrives around 10/29, about 200 frost-free days later.
The USDA Plant Hardiness Zone Map puts Winchester in Zone 7a (0 to 5°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 7a around Winchester has about 9 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.
The actual range around Winchester's last frost
04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 03/30 and you're betting against frost in roughly 9 years out of 10. 04/29 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Winchester compares
Winchester's growing season runs about 200 days, ranking 17,720 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 634 of 1,178.
Learn more
zone vs. frost date explains why Zone 7a and Winchester's frost date answer different questions, and the frost range explains how to read the range around Winchester's dates instead of trusting one.