FrostDateCheck

Morningside, MD 20768 Frost Dates

20768, near Morningside, MD: the frost window

Zone 7b

Around 04/09 is the usual last spring frost, about 224 days away. Fall's first freeze usually shows up around 10/29, roughly 203 days after the last spring frost.

The USDA Plant Hardiness Zone Map puts Morningside in Zone 7b (5 to 10°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

Morningside'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 Morningside's last frost

04/09 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 04/24 and only about 1 year in 10 sees frost after that.

Morningside against the rest of the dataset

Morningside's growing season runs about 203 days, ranking 16,974 of 40,283 US ZIP codes measured here, longest to shortest. Within MD, it ranks 402 of 583.

Learn more

Two guides worth reading on 20768: the frost range, on how to read the range around Morningside's dates instead of trusting one, and local microclimates, on what one yard in Morningside can differ from the 20768 normal.