University Park, MD 20788 Frost Dates
University Park, MD: when does the frost end?
Around 03/29 is the usual last spring frost, about 213 days away. Fall's first freeze usually shows up around 11/08, roughly 224 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts University Park 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
With roughly 10 weeks until University Park's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around University Park's last frost
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 04/11 and only about 1 year in 10 sees frost after that.
University Park against the rest of the dataset
About 224 days separate University Park's last and first frost, putting it 11,895 of 40,283 ZIP codes nationally. Within MD, it ranks 126 of 583.
Learn more
Before leaning on 20788's figures: local microclimates explains what one yard in University Park can differ from the 20788 normal, while zone vs. frost date explains why Zone 7b and University Park's frost date answer different questions.