Poquoson, VA 23696 Frost Dates
Poquoson, VA: when does the frost end?
Around 04/01 is the usual last spring frost, about 216 days away. Fall's first freeze usually shows up around 11/09, roughly 221 days after the last spring frost.
Poquoson sits in USDA Zone 8a (10 to 15°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.
Stretching the season past the first frost
With roughly 10 weeks until Poquoson's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Poquoson's last frost
04/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/18 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/18 and only about 1 year in 10 sees frost after that.
Poquoson against the rest of the dataset
At roughly 221 frost-free days, Poquoson places 12,470 of 40,283 ZIP codes in this dataset. Within VA, it ranks 271 of 1,178.
Learn more
Before leaning on 23696's figures: local microclimates explains what one yard in Poquoson can differ from the 23696 normal, while zone vs. frost date explains why Zone 8a and Poquoson's frost date answer different questions.