Urbanna, VA 22517 Frost Dates
22517, near Urbanna, VA: the frost window
Around 04/06 is the usual last spring frost, about 221 days away. Fall's first freeze usually shows up around 11/01, roughly 208 days after the last spring frost.
Zone 8a (10 to 15°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Urbanna, not a forecast for this year.
Stretching the season past the first frost
Urbanna's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/21 and only about 1 year in 10 sees frost after that.
Urbanna against the rest of the dataset
At roughly 208 frost-free days, Urbanna places 15,718 of 40,283 ZIP codes in this dataset. Within VA, it ranks 469 of 1,178.
Learn more
Two guides worth reading on 22517: local microclimates, on what one yard in Urbanna can differ from the 22517 normal, and zone vs. frost date, on why Zone 8a and Urbanna's frost date answer different questions.