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Frost dates for Knoxville, Tennessee

In a typical year, Knoxville’s last spring frost lands around Apr 11 and the first fall frost around Oct 28, a growing season of about 200 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 7b.

Last spring frost and first fall frost odds for Knoxville, Tennessee
OddsLast spring frostFirst fall frost
10 percentMar 26Oct 13
50 percentApr 11Oct 28
90 percentApr 29Nov 9

A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.

Soil in Knoxville is typically around 75°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.

Plantable now in Knoxville

Timing comes from the same temperature engine the app uses, run against Knoxville’s normals for today.

See the full what-to-plant lookup

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