North Little Rock, AR 72201 Frost Dates
North Little Rock, AR: when does the frost end?
Around 03/21 is the usual last spring frost, about 205 days away. Fall's first freeze usually shows up around 11/10, roughly 234 days after the last spring frost.
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 North Little Rock, not a forecast for this year.
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.
How much risk comes with planting early here
03/21 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/02 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/06 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 234 days, ranking 9,693 of 40,283 US ZIP codes measured here, longest to shortest. Within AR, it ranks 180 of 687.
Learn more
Before leaning on 72201's figures: local microclimates explains what one yard in North Little Rock can differ from the 72201 normal, while zone vs. frost date explains why Zone 8a and North Little Rock's frost date answer different questions.