Church Creek, MD 21672 Frost Dates
21672, near Church Creek, MD: the frost window
The last spring frost here typically falls around 03/29, about 213 days from today. Fall's first freeze usually shows up around 11/15, roughly 230 days after the last spring frost.
Church Creek sits in USDA Zone 8a (10 to 15°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
Church Creek's growing season runs out in roughly 11 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 03/29 isn't a guarantee
03/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/10 and only about 1 year in 10 sees frost after that.
Church Creek against the rest of the dataset
Church Creek's growing season runs about 230 days, ranking 10,491 of 40,283 US ZIP codes measured here, longest to shortest. Within MD, it ranks 84 of 583.
Learn more
Two guides worth reading on 21672: local microclimates, on what one yard in Church Creek can differ from the 21672 normal, and zone vs. frost date, on why Zone 8a and Church Creek's frost date answer different questions.