FrostDateCheck

Somerset, MD 20816 Frost Dates

When can you plant in Somerset, MD?

Zone 7b

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.

Somerset sits in USDA Zone 7b (5 to 10°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

What to do before the first frost

About 9 weeks of growing season left in Somerset before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

Why 04/09 isn't a guarantee

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 Somerset compares

Somerset's growing season runs about 202 days, ranking 17,279 of 40,283 US ZIP codes measured here, longest to shortest. Within MD, it ranks 433 of 583.

Learn more

local microclimates covers what one yard in Somerset can differ from the 20816 normal. zone vs. frost date covers why Zone 7b and Somerset's frost date answer different questions.