North Little Rock, AR 72199 Frost Dates
North Little Rock, AR: when does the frost end?
The last spring frost here typically falls around 03/16, about 200 days from today. Fall's first freeze usually shows up around 11/16, roughly 245 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts North Little Rock in Zone 8a (10 to 15°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 11 weeks until North Little Rock's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 03/16 isn't a guarantee
03/16 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/27 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/02 and only about 1 year in 10 sees frost after that.
North Little Rock against the rest of the dataset
North Little Rock's growing season runs about 245 days, ranking 7,963 of 40,283 US ZIP codes measured here, longest to shortest. Within AR, it ranks 38 of 687.
Learn more
Before leaning on 72199's figures: local microclimates explains what one yard in North Little Rock can differ from the 72199 normal, while zone vs. frost date explains why Zone 8a and North Little Rock's frost date answer different questions.