Indian Head, MD 20658 Frost Dates
When can you plant in Indian Head, MD?
The last spring frost here typically falls around 03/28, about 212 days from today. The first fall frost typically arrives around 11/08, about 226 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 Indian Head, not a forecast for this year.
What to do before the first frost
About 10 weeks of growing season left in Indian Head 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
03/28 is the middle of 30 years of NOAA records, not a promise. Plant by 03/14 and you're betting against frost in roughly 9 years out of 10. 04/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Indian Head compares
At roughly 226 frost-free days, Indian Head places 11,197 of 40,283 ZIP codes in this dataset. Within MD, it ranks 106 of 583.
Learn more
local microclimates covers what one yard in Indian Head can differ from the 20658 normal. zone vs. frost date covers why Zone 7b and Indian Head's frost date answer different questions.