St. Albans, VT 05454 Frost Dates
St. Albans, VT: when does the frost end?
Around 05/01 is the usual last spring frost, about 246 days away. Fall's first freeze usually shows up around 10/12, roughly 161 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts St. Albans in Zone 5a (-20 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 6 weeks until St. Albans's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
05/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/20 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.
St. Albans against the rest of the dataset
St. Albans's growing season runs about 161 days, ranking 32,014 of 40,283 US ZIP codes measured here, longest to shortest. Within VT, it ranks 31 of 330.
Learn more
Before leaning on 05454's figures: zone vs. frost date explains why Zone 5a and St. Albans's frost date answer different questions, while the frost range explains how to read the range around St. Albans's dates instead of trusting one.