Hamilton, VA 20177 Frost Dates
When can you plant in Hamilton, VA?
Typically, the last spring freeze lands around 04/16, roughly 231 days out. The first fall frost typically arrives around 10/25, about 189 frost-free days later.
The USDA Plant Hardiness Zone Map puts Hamilton 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
About 8 weeks of growing season left in Hamilton before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/16 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 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 Hamilton compares
At roughly 189 frost-free days, Hamilton places 21,696 of 40,283 ZIP codes in this dataset. Within VA, it ranks 894 of 1,178.
Learn more
local microclimates covers what one yard in Hamilton can differ from the 20177 normal. zone vs. frost date covers why Zone 7b and Hamilton's frost date answer different questions.