Grubbs, AR 72431 Frost Dates
72431, near Grubbs, AR: the frost window
Around 03/18 is the usual last spring frost, about 202 days away. Fall's first freeze usually shows up around 11/11, roughly 240 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Grubbs 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
Grubbs's growing season runs out in roughly 11 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Grubbs's last frost
03/18 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/28 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/04 and only about 1 year in 10 sees frost after that.
Grubbs against the rest of the dataset
Grubbs's growing season runs about 240 days, ranking 8,717 of 40,283 US ZIP codes measured here, longest to shortest. Within AR, it ranks 92 of 687.
Learn more
Two guides worth reading on 72431: the frost range, on how to read the range around Grubbs's dates instead of trusting one, and local microclimates, on what one yard in Grubbs can differ from the 72431 normal.