Maynardville, TN 37866 Frost Dates
When can you plant in Maynardville, TN?
Around 04/18 is the usual last spring frost, about 233 days away. The first fall frost typically arrives around 10/24, about 187 frost-free days later.
The USDA Plant Hardiness Zone Map puts Maynardville in Zone 7b (5 to 10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 8 weeks of growing season left in Maynardville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/03 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Maynardville compares
At roughly 187 frost-free days, Maynardville places 22,394 of 40,283 ZIP codes in this dataset. Within TN, it ranks 695 of 770.
Learn more
the frost range covers how to read the range around Maynardville's dates instead of trusting one. local microclimates covers what one yard in Maynardville can differ from the 37866 normal.