FrostDateCheck

Morningside, MD 20709 Frost Dates

Frost dates for Morningside, MD, ZIP 20709

Zone 7b

Around 04/09 is the usual last spring frost, about 224 days away. The first fall frost typically arrives around 10/29, about 203 frost-free days later.

Morningside sits in USDA Zone 7b (5 to 10°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.

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.

The actual range around Morningside's last frost

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

About 203 days separate Morningside's last and first frost, putting it 16,959 of 40,283 ZIP codes nationally. Within MD, it ranks 387 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 20709 normal.