FrostDateCheck

Roanoke, VA 24040 Frost Dates

Frost dates for Roanoke, VA, ZIP 24040

Zone 7b

Around 04/03 is the usual last spring frost, about 218 days away. The first fall frost typically arrives around 11/01, about 210 frost-free days later.

The USDA Plant Hardiness Zone Map puts Roanoke 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 Roanoke 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.

How much risk comes with planting early here

04/03 is the middle of 30 years of NOAA records, not a promise. Plant by 03/19 and you're betting against frost in roughly 9 years out of 10. 04/18 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Roanoke compares

Roanoke's growing season runs about 210 days, ranking 14,961 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 420 of 1,178.

Learn more

the frost range explains how to read the range around Roanoke's dates instead of trusting one, and local microclimates explains what one yard in Roanoke can differ from the 24040 normal.