Smithfield, VA 23432 Frost Dates
When can you plant in Smithfield, VA?
Around 03/27 is the usual last spring frost, about 211 days away. The first fall frost typically arrives around 11/15, about 233 frost-free days later.
The USDA Plant Hardiness Zone Map puts Smithfield in Zone 8a (10 to 15°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 11 weeks of growing season left in Smithfield before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Smithfield's last frost
03/27 is the middle of 30 years of NOAA records, not a promise. Plant by 03/10 and you're betting against frost in roughly 9 years out of 10. 04/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Smithfield compares
About 233 days separate Smithfield's last and first frost, putting it 9,881 of 40,283 ZIP codes nationally. Within VA, it ranks 100 of 1,178.
Learn more
the frost range covers how to read the range around Smithfield's dates instead of trusting one. local microclimates covers what one yard in Smithfield can differ from the 23432 normal.