North Chevy Chase, MD 20814 Frost Dates
When can you plant in North Chevy Chase, MD?
Around 04/09 is the usual last spring frost, about 224 days away. 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
About 9 weeks of growing season left in North Chevy Chase before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
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 17,317 of 40,283 US ZIP codes measured here, longest to shortest. Within MD, it ranks 434 of 583.
Learn more
local microclimates covers what one yard in North Chevy Chase can differ from the 20814 normal. zone vs. frost date covers why Zone 7b and North Chevy Chase's frost date answer different questions.