Harrogate, TN 37867 Frost Dates
Frost dates for Harrogate, TN, ZIP 37867
Around 04/19 is the usual last spring frost, about 234 days away. The first fall frost typically arrives around 10/24, about 187 frost-free days later.
Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Harrogate, not a forecast for this year.
What to do before the first frost
Zone 7a around Harrogate has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
04/19 is the middle of 30 years of NOAA records, not a promise. Plant by 04/04 and you're betting against frost in roughly 9 years out of 10. 05/06 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Harrogate compares
At roughly 187 frost-free days, Harrogate places 22,362 of 40,283 ZIP codes in this dataset. Within TN, it ranks 694 of 770.
Learn more
local microclimates explains what one yard in Harrogate can differ from the 37867 normal, and zone vs. frost date explains why Zone 7a and Harrogate's frost date answer different questions.