Frost dates for Knoxville

◇ Station-based · 89/100 confidence

Last spring frost · safe

Apr 19

~10% frost risk · typical Apr 8

First fall frost · safe

Oct 17

~10% frost risk · typical Oct 28

Frost-free days

201

Apr 8 → Oct 28

Climate zone

Humid subtropical

Köppen Cfa

The growing year

Frost-bounded season with crops mapped onto the 12-month axis.

Frost risk Growing Harvest

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

FROST

GROWING SEASON — 201 DAYS

APR 8

OCT 28