Keller, VA 23422 Frost Dates
Keller, VA: when does the frost end?
Around 04/04 is the usual last spring frost, about 219 days away. Fall's first freeze usually shows up around 11/07, roughly 216 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Keller in Zone 8a (10 to 15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 10 weeks until Keller's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Keller's last frost
04/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/19 and only about 1 year in 10 sees frost after that.
Keller against the rest of the dataset
Keller's growing season runs about 216 days, ranking 13,929 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 337 of 1,178.
Learn more
Before leaning on 23422's figures: the frost range explains how to read the range around Keller's dates instead of trusting one, while local microclimates explains what one yard in Keller can differ from the 23422 normal.