Glen Lyn, VA 24093 Frost Dates
Glen Lyn, VA: when does the frost end?
The last spring frost here typically falls around 04/27, about 242 days from today. Fall's first freeze usually shows up around 10/17, roughly 171 days after the last spring frost.
Glen Lyn sits in USDA Zone 7a (0 to 5°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 7 weeks until Glen Lyn's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 04/27 isn't a guarantee
04/27 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/16 and only about 1 year in 10 sees frost after that.
Glen Lyn against the rest of the dataset
Glen Lyn's growing season runs about 171 days, ranking 28,857 of 40,283 US ZIP codes measured here, longest to shortest. Within VA, it ranks 1,147 of 1,178.
Learn more
Before leaning on 24093's figures: zone vs. frost date explains why Zone 7a and Glen Lyn's frost date answer different questions, while the frost range explains how to read the range around Glen Lyn's dates instead of trusting one.