Havana, AR 72842 Frost Dates
72842, near Havana, AR: the frost window
Typically, the last spring freeze lands around 03/31, roughly 215 days out. Fall's first freeze usually shows up around 11/01, roughly 215 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Havana 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
Havana's growing season runs out in roughly 9 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
03/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/17 and only about 1 year in 10 sees frost after that.
Havana against the rest of the dataset
About 215 days separate Havana's last and first frost, putting it 14,194 of 40,283 ZIP codes nationally. Within AR, it ranks 477 of 687.
Learn more
Two guides worth reading on 72842: zone vs. frost date, on why Zone 8a and Havana's frost date answer different questions, and the frost range, on how to read the range around Havana's dates instead of trusting one.