Dungannon, VA 24245 Frost Dates
When can you plant in Dungannon, VA?
Around 04/25 is the usual last spring frost, about 240 days away. The first fall frost typically arrives around 10/18, about 175 frost-free days later.
Dungannon sits in USDA Zone 7a (0 to 5°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
About 7 weeks of growing season left in Dungannon before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 04/25 isn't a guarantee
04/25 is the middle of 30 years of NOAA records, not a promise. Plant by 04/08 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Dungannon compares
Dungannon's growing season runs about 175 days, ranking 27,241 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 1,076 of 1,178.
Learn more
local microclimates covers what one yard in Dungannon can differ from the 24245 normal. zone vs. frost date covers why Zone 7a and Dungannon's frost date answer different questions.