Southbridge Town, MA 06244 Frost Dates
06244, near Southbridge Town, MA: the frost window
Around 05/01 is the usual last spring frost, about 246 days away. Fall's first freeze usually shows up around 10/09, roughly 161 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Southbridge Town in Zone 6a (-10 to -5°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
Southbridge Town's growing season runs out in roughly 6 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 Southbridge Town's last frost
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 05/17 and only about 1 year in 10 sees frost after that.
Southbridge Town against the rest of the dataset
Southbridge Town's growing season runs about 161 days, ranking 31,975 of 40,283 US ZIP codes measured here, longest to shortest. Within MA, it ranks 495 of 712.
Learn more
Two guides worth reading on 06244: zone vs. frost date, on why Zone 6a and Southbridge Town's frost date answer different questions, and the frost range, on how to read the range around Southbridge Town's dates instead of trusting one.