FrostDateCheck

Laurel, MD 20755 Frost Dates

20755, near Laurel, MD: the frost window

Zone 7b

Around 04/10 is the usual last spring frost, about 225 days away. Fall's first freeze usually shows up around 10/31, roughly 204 days after the last spring frost.

Zone 7b (5 to 10°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Laurel, not a forecast for this year.

Stretching the season past the first frost

Laurel'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.

The actual range around Laurel's last frost

04/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/25 and only about 1 year in 10 sees frost after that.

Laurel against the rest of the dataset

About 204 days separate Laurel's last and first frost, putting it 16,506 of 40,283 ZIP codes nationally. Within MD, it ranks 365 of 583.

Learn more

Two guides worth reading on 20755: zone vs. frost date, on why Zone 7b and Laurel's frost date answer different questions, and the frost range, on how to read the range around Laurel's dates instead of trusting one.