Knoxville, AR 72845 Frost Dates
Knoxville, AR: when does the frost end?
The last spring frost here typically falls around 03/24, about 208 days from today. Fall's first freeze usually shows up around 11/10, roughly 233 days after the last spring frost.
Knoxville 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.
Stretching the season past the first frost
With roughly 11 weeks until Knoxville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Knoxville's last frost
03/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/10 and only about 1 year in 10 sees frost after that.
Knoxville against the rest of the dataset
Knoxville's growing season runs about 233 days, ranking 9,955 of 40,283 US ZIP codes measured here, longest to shortest. Within AR, it ranks 197 of 687.
Learn more
Before leaning on 72845's figures: zone vs. frost date explains why Zone 8a and Knoxville's frost date answer different questions, while the frost range explains how to read the range around Knoxville's dates instead of trusting one.