Brockton, MA 02301 Frost Dates
When can you plant in Brockton, MA?
Around 04/22 is the usual last spring frost, about 237 days away. The first fall frost typically arrives around 10/19, about 178 frost-free days later.
The USDA Plant Hardiness Zone Map puts Brockton in Zone 6b (-5 to 0°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 7 weeks of growing season left in Brockton before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Brockton's last frost
04/22 is the middle of 30 years of NOAA records, not a promise. Plant by 04/08 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Brockton compares
At roughly 178 frost-free days, Brockton places 25,552 of 40,283 ZIP codes in this dataset. Within MA, it ranks 252 of 712.
Learn more
the frost range covers how to read the range around Brockton's dates instead of trusting one. local microclimates covers what one yard in Brockton can differ from the 02301 normal.