Bladensburg, MD 20710 Frost Dates
When can you plant in Bladensburg, MD?
Around 03/29 is the usual last spring frost, about 213 days away. The first fall frost typically arrives around 11/08, about 224 frost-free days later.
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 Bladensburg, not a forecast for this year.
What to do before the first frost
About 10 weeks of growing season left in Bladensburg before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
03/29 is the middle of 30 years of NOAA records, not a promise. Plant by 03/15 and you're betting against frost in roughly 9 years out of 10. 04/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bladensburg compares
At roughly 224 frost-free days, Bladensburg places 11,806 of 40,283 ZIP codes in this dataset. Within MD, it ranks 116 of 583.
Learn more
zone vs. frost date covers why Zone 7b and Bladensburg's frost date answer different questions. the frost range covers how to read the range around Bladensburg's dates instead of trusting one.