Opp, AL 36467 Frost Dates
When can you plant in Opp, AL?
The last spring frost here typically falls around 02/28, about 184 days from today. The first fall frost typically arrives around 11/28, about 274 frost-free days later.
The USDA Plant Hardiness Zone Map puts Opp in Zone 8b (15 to 20°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
About 13 weeks of growing season left in Opp before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 02/28 isn't a guarantee
02/28 is the middle of 30 years of NOAA records, not a promise. Plant by 02/01 and you're betting against frost in roughly 9 years out of 10. 03/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Opp compares
At roughly 274 frost-free days, Opp places 5,156 of 40,283 ZIP codes in this dataset. Within AL, it ranks 24 of 809.
Learn more
local microclimates covers what one yard in Opp can differ from the 36467 normal. zone vs. frost date covers why Zone 8b and Opp's frost date answer different questions.