Morningside, MD 20738 Frost Dates
Frost dates for Morningside, MD, ZIP 20738
Typically, the last spring freeze lands around 04/09, roughly 224 days out. The first fall frost typically arrives around 10/29, about 203 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 Morningside, not a forecast for this year.
What to do before the first frost
Zone 7b around Morningside has about 9 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
04/09 is the middle of 30 years of NOAA records, not a promise. Plant by 03/27 and you're betting against frost in roughly 9 years out of 10. 04/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Morningside compares
At roughly 203 frost-free days, Morningside places 16,966 of 40,283 ZIP codes in this dataset. Within MD, it ranks 394 of 583.
Learn more
the frost range explains how to read the range around Morningside's dates instead of trusting one, and local microclimates explains what one yard in Morningside can differ from the 20738 normal.