Bridgewater Town, MA 02303 Frost Dates
Bridgewater Town, MA: when does the frost end?
Around 04/15 is the usual last spring frost, about 230 days away. Fall's first freeze usually shows up around 11/01, roughly 198 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Bridgewater Town in Zone 6b (-5 to 0°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 9 weeks until Bridgewater Town'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
04/15 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/28 and only about 1 year in 10 sees frost after that.
Bridgewater Town against the rest of the dataset
Bridgewater Town's growing season runs about 198 days, ranking 18,297 of 40,283 US ZIP codes measured here, longest to shortest. Within MA, it ranks 113 of 712.
Learn more
Before leaning on 02303's figures: zone vs. frost date explains why Zone 6b and Bridgewater Town's frost date answer different questions, while the frost range explains how to read the range around Bridgewater Town's dates instead of trusting one.