Frost dates in Greenbrier, TN
The average last spring frost in Greenbrier is around April 11 and the first fall frost is around October 25. That gives Greenbrier an average growing season of about 197 days.
Last spring frost
| Early (10% chance after) | March 27 |
|---|---|
| Average (50%) | April 11 |
| Late (90%) | April 28 |
First fall frost
| Early (10%) | October 8 |
|---|---|
| Average (50%) | October 25 |
| Late (90% chance before) | November 8 |