Grannis, AR 71944 Frost Dates
When can you plant in Grannis, AR?
Around 03/26 is the usual last spring frost, about 210 days away. The first fall frost typically arrives around 11/05, about 226 frost-free days later.
Grannis sits in USDA Zone 8a (10 to 15°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 10 weeks of growing season left in Grannis before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Grannis's last frost
03/26 is the middle of 30 years of NOAA records, not a promise. Plant by 03/04 and you're betting against frost in roughly 9 years out of 10. 04/11 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Grannis compares
Grannis's growing season runs about 226 days, ranking 11,272 of 40,283 US ZIP codes measured here, longest to shortest. Within AR, it ranks 310 of 687.
Learn more
the frost range covers how to read the range around Grannis's dates instead of trusting one. local microclimates covers what one yard in Grannis can differ from the 71944 normal.