Annapolis, MD 21056 Frost Dates
When can you plant in Annapolis, MD?
The last spring frost here typically falls around 03/23, about 207 days from today. The first fall frost typically arrives around 11/20, about 241 frost-free days later.
Zone 8a (10 to 15°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 Annapolis, not a forecast for this year.
What to do before the first frost
About 12 weeks of growing season left in Annapolis before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
03/23 is the middle of 30 years of NOAA records, not a promise. Plant by 03/08 and you're betting against frost in roughly 9 years out of 10. 04/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Annapolis compares
At roughly 241 frost-free days, Annapolis places 8,512 of 40,283 ZIP codes in this dataset. Within MD, it ranks 55 of 583.
Learn more
the frost range covers how to read the range around Annapolis's dates instead of trusting one. local microclimates covers what one yard in Annapolis can differ from the 21056 normal.