FrostDateCheck

Bellows Falls, VT 03603 Frost Dates

03603, near Bellows Falls, VT: the frost window

Zone 5b

The last spring frost here typically falls around 05/09, about 254 days from today. Fall's first freeze usually shows up around 10/02, roughly 146 days after the last spring frost.

Zone 5b (-15 to -10°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 Bellows Falls, not a forecast for this year.

Stretching the season past the first frost

Bellows Falls's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.

The actual range around Bellows Falls's last frost

05/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/22 and only about 1 year in 10 sees frost after that.

Bellows Falls against the rest of the dataset

Bellows Falls's growing season runs about 146 days, ranking 36,052 of 40,283 US ZIP codes measured here, longest to shortest. Within VT, it ranks 93 of 330.

Learn more

Two guides worth reading on 03603: the frost range, on how to read the range around Bellows Falls's dates instead of trusting one, and local microclimates, on what one yard in Bellows Falls can differ from the 03603 normal.