Last frost date in Oak Ridge, Tennessee
April 5
Average last frost in spring. In an early year (1 in 10) it's over by March 19; in a late year (1 in 10) it comes after April 19.
November 1
Average first frost in fall. 1 year in 10 it comes by October 19.
Source: NOAA U.S. Climate Normals 1991–2020, station Oak Ridge Atdd (USW00003841), 3.4 miles from Oak Ridge, elevation 905 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Mar 19 | Apr 5 | Apr 19 |
| First frost in fall | Oct 19 | Nov 1 | Nov 13 |
Frost-free days in an average year: 210
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 17 | Oct 23 |
| Frost (32°F) | Every year | Apr 5 | Nov 1 |
| Hard freeze (28°F) | Every year | Mar 23 | Nov 11 |
Nights at 32°F or colder in an average year: 75
What to plant now in Oak Ridge
- Corn saladSept 15 – Nov 1Now
- Upland cressSept 15 – Nov 1Now
- Rhubarb plantsNov 1 – Dec 1Soon
- Asparagus plantsNov 15 – Jan 1Soon
- Spring planting calendar for an average last frost around April 10 Oak Ridge: April 5
- Fall planting calendar for an average first frost around October 30 Oak Ridge: November 1
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.