Walkersville, MD 21793 Frost Dates
Frost dates for Walkersville, MD, ZIP 21793
The last spring frost here typically falls around 04/02, about 217 days from today. The first fall frost typically arrives around 11/06, about 218 frost-free days later.
Zone 7a (0 to 5°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 Walkersville, not a forecast for this year.
What to do before the first frost
Zone 7a around Walkersville has about 10 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 Walkersville's last frost
04/02 is the middle of 30 years of NOAA records, not a promise. Plant by 03/17 and you're betting against frost in roughly 9 years out of 10. 04/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Walkersville compares
About 218 days separate Walkersville's last and first frost, putting it 13,260 of 40,283 ZIP codes nationally. Within MD, it ranks 260 of 583.
Learn more
local microclimates explains what one yard in Walkersville can differ from the 21793 normal, and zone vs. frost date explains why Zone 7a and Walkersville's frost date answer different questions.