Grottoes, VA 24471 Frost Dates
When can you plant in Grottoes, VA?
Typically, the last spring freeze lands around 04/21, roughly 236 days out. The first fall frost typically arrives around 10/23, about 182 frost-free days later.
Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Grottoes, not a forecast for this year.
What to do before the first frost
About 8 weeks of growing season left in Grottoes before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Grottoes's last frost
04/21 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 and you're betting against frost in roughly 9 years out of 10. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Grottoes compares
About 182 days separate Grottoes's last and first frost, putting it 24,168 of 40,283 ZIP codes nationally. Within VA, it ranks 990 of 1,178.
Learn more
local microclimates covers what one yard in Grottoes can differ from the 24471 normal. zone vs. frost date covers why Zone 7a and Grottoes's frost date answer different questions.