Melrose, MA 01880 Frost Dates
When can you plant in Melrose, MA?
Around 04/25 is the usual last spring frost, about 240 days away. The first fall frost typically arrives around 10/17, about 174 frost-free days later.
The USDA Plant Hardiness Zone Map puts Melrose 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 Melrose before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/25 is the middle of 30 years of NOAA records, not a promise. Plant by 04/13 and you're betting against frost in roughly 9 years out of 10. 05/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Melrose compares
Melrose's growing season runs about 174 days, ranking 27,343 of 40,283 US ZIP codes measured here, longest to shortest. Within MA, it ranks 312 of 712.
Learn more
local microclimates covers what one yard in Melrose can differ from the 01880 normal. zone vs. frost date covers why Zone 6b and Melrose's frost date answer different questions.