Funkstown, MD 21746 Frost Dates
Frost dates for Funkstown, MD, ZIP 21746
Typically, the last spring freeze lands around 04/11, roughly 226 days out. The first fall frost typically arrives around 10/28, about 199 frost-free days later.
The USDA Plant Hardiness Zone Map puts Funkstown in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
Zone 7a around Funkstown 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 04/11 isn't a guarantee
04/11 is the middle of 30 years of NOAA records, not a promise. Plant by 03/29 and you're betting against frost in roughly 9 years out of 10. 04/27 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Funkstown compares
Funkstown's growing season runs about 199 days, ranking 18,162 of 40,283 US ZIP codes measured here, longest to shortest. Within MD, it ranks 476 of 583.
Learn more
the frost range explains how to read the range around Funkstown's dates instead of trusting one, and local microclimates explains what one yard in Funkstown can differ from the 21746 normal.