Cecilton, MD 21919 Frost Dates
Frost dates for Cecilton, MD, ZIP 21919
Around 04/10 is the usual last spring frost, about 225 days away. The first fall frost typically arrives around 10/30, about 201 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 Cecilton, not a forecast for this year.
What to do before the first frost
Zone 7b around Cecilton 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.
Why 04/10 isn't a guarantee
04/10 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. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Cecilton compares
About 201 days separate Cecilton's last and first frost, putting it 17,608 of 40,283 ZIP codes nationally. Within MD, it ranks 461 of 583.
Learn more
local microclimates explains what one yard in Cecilton can differ from the 21919 normal, and zone vs. frost date explains why Zone 7b and Cecilton's frost date answer different questions.