Betterton, MD 21610 Frost Dates
Frost dates for Betterton, MD, ZIP 21610
The last spring frost here typically falls around 04/10, about 225 days from today. The first fall frost typically arrives around 10/30, about 201 frost-free days later.
The USDA Plant Hardiness Zone Map puts Betterton 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 Betterton 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.
How much risk comes with planting early here
04/10 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. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Betterton compares
At roughly 201 frost-free days, Betterton places 17,653 of 40,283 ZIP codes in this dataset. Within MD, it ranks 463 of 583.
Learn more
zone vs. frost date explains why Zone 7b and Betterton's frost date answer different questions, and the frost range explains how to read the range around Betterton's dates instead of trusting one.