North Chevy Chase, MD 20892 Frost Dates
Frost dates for North Chevy Chase, MD, ZIP 20892
The last spring frost here typically falls around 04/09, about 224 days from today. The first fall frost typically arrives around 10/31, about 202 frost-free days later.
The USDA Plant Hardiness Zone Map puts North Chevy Chase in Zone 7b (5 to 10°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 7b around North Chevy Chase 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 North Chevy Chase'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. 04/26 is the safer bet, historically only a 1-in-10 chance of frost that late.
How North Chevy Chase compares
North Chevy Chase's growing season runs about 202 days, ranking 17,318 of 40,283 US ZIP codes measured here, longest to shortest. Within MD, it ranks 435 of 583.
Learn more
local microclimates explains what one yard in North Chevy Chase can differ from the 20892 normal, and zone vs. frost date explains why Zone 7b and North Chevy Chase's frost date answer different questions.