Lawrence, MA 01812 Frost Dates
01812, near Lawrence, MA: the frost window
The last spring frost here typically falls around 04/13, about 228 days from today. Fall's first freeze usually shows up around 10/28, roughly 198 days after the last spring frost.
Lawrence sits in USDA Zone 6b (-5 to 0°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Lawrence's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
04/13 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/01 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/29 and only about 1 year in 10 sees frost after that.
Lawrence against the rest of the dataset
About 198 days separate Lawrence's last and first frost, putting it 18,255 of 40,283 ZIP codes nationally. Within MA, it ranks 94 of 712.
Learn more
Two guides worth reading on 01812: local microclimates, on what one yard in Lawrence can differ from the 01812 normal, and zone vs. frost date, on why Zone 6b and Lawrence's frost date answer different questions.