Aberdeen, MD 21130 Frost Dates
When can you plant in Aberdeen, MD?
Around 04/10 is the usual last spring frost, about 225 days away. The first fall frost typically arrives around 10/30, about 201 frost-free days later.
Zone 7b (5 to 10°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 Aberdeen, not a forecast for this year.
What to do before the first frost
About 9 weeks of growing season left in Aberdeen before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Aberdeen's last frost
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 Aberdeen compares
Aberdeen's growing season runs about 201 days, ranking 17,458 of 40,283 US ZIP codes measured here, longest to shortest. Within MD, it ranks 445 of 583.
Learn more
zone vs. frost date covers why Zone 7b and Aberdeen's frost date answer different questions. the frost range covers how to read the range around Aberdeen's dates instead of trusting one.