FrostDateCheck

Poquoson, VA 23662 Frost Dates

When can you plant in Poquoson, VA?

Zone 8b

The last spring frost here typically falls around 03/24, about 208 days from today. The first fall frost typically arrives around 11/15, about 238 frost-free days later.

Poquoson sits in USDA Zone 8b (15 to 20°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 11 weeks of growing season left in Poquoson before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Poquoson's last frost

03/24 is the middle of 30 years of NOAA records, not a promise. Plant by 03/09 and you're betting against frost in roughly 9 years out of 10. 04/06 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Poquoson compares

About 238 days separate Poquoson's last and first frost, putting it 8,959 of 40,283 ZIP codes nationally. Within VA, it ranks 83 of 1,178.

Learn more

local microclimates covers what one yard in Poquoson can differ from the 23662 normal. zone vs. frost date covers why Zone 8b and Poquoson's frost date answer different questions.