Frost dates for 37825New Tazewell, TN
The average last spring frost in New Tazewell is April 23 and the average first fall frost is October 19, giving a typical growing season of about 177 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 23
- Average first fall frost
- Oct 19
- Growing season
- 177 days
Safer after May 11 (1-in-10 risk)
Possible by Oct 8 (1-in-10 risk)
Last frost typically in 171 days
Frost risk by date
NOAA reports frost dates as probabilities. The middle date is the average (a 50% chance). For spring, the 10% date is a safer planting date: frost after it happens in about 1 year in 10. Light frost (36°F) can damage tender plants; a hard freeze (28°F) kills most annuals.
| Temperature | Last spring: 90% / 50% / 10% chance | First fall: 10% / 50% / 90% chance | Growing season (50%) | Years with at least one |
|---|---|---|---|---|
| Light frost (36°F) | Apr 20 · May 5 · May 20 | Oct 1 · Oct 11 · Oct 23 | 158 days | 100% |
| Frost / freeze (32°F) | Apr 9 · Apr 23 · May 11 | Oct 8 · Oct 19 · Nov 1 | 177 days | 100% |
| Hard freeze (28°F) | Mar 26 · Apr 10 · Apr 26 | Oct 15 · Oct 28 · Nov 8 | 199 days | 100% |
Planting calendar for New Tazewell
Planting windows from the University of Maryland Extension calendar, shifted to your average frost dates. Use them as a starting point and adjust for seed packet instructions and local conditions.
| Crop | Task | Window |
|---|---|---|
| Tomatoes | Start seeds indoors | Mar 23 – May 29 |
| Tomatoes | Transplant outdoors | May 9 – Jun 29 |
| Peppers | Start seeds indoors | Mar 23 – Apr 23 |
| Peppers | Transplant outdoors | May 23 – Jun 23 |
| Eggplant | Start seeds indoors | Apr 9 – May 8 |
| Eggplant | Transplant outdoors | May 23 – Jun 23 |
| Cucumbers | Sow outdoors | May 23 – Jul 9 |
| Summer squash | Sow outdoors | May 9 – Jun 23 |
| Winter squash & pumpkins | Sow outdoors | May 23 – Jun 23 |
| Snap beans | Sow outdoors | May 9 – Aug 1 |
| Sweet corn | Sow outdoors | May 9 – Jun 29 |
| Watermelon & cantaloupe | Sow outdoors | May 23 – Jun 23 |
| Okra | Sow outdoors | May 16 – Jun 8 |
| Peas | Sow outdoors (spring) | Mar 23 – May 8 |
| Potatoes | Plant outdoors (spring) | Mar 23 – May 23 |
| Onions | Start seeds indoors (spring) | Feb 9 – Mar 8 |
| Onions | Transplant outdoors (spring) | Apr 9 – May 8 |
| Broccoli | Start seeds indoors (spring) | Mar 5 – Apr 8 |
| Broccoli | Transplant outdoors (spring) | Apr 9 – May 8 |
| Broccoli | Start seeds indoors (fall) | Jun 19 – Jun 29 |
| Broccoli | Transplant outdoors (fall) | Jul 19 – Jul 30 |
| Cabbage | Start seeds indoors (spring) | Feb 23 – Mar 23 |
| Cabbage | Transplant outdoors (spring) | Mar 23 – Apr 23 |
| Cabbage | Start seeds indoors (fall) | Jun 9 – Jul 9 |
| Cabbage | Transplant outdoors (fall) | Jul 9 – Aug 9 |
| Leaf lettuce | Sow outdoors (spring) | Mar 23 – Jun 8 |
| Leaf lettuce | Sow outdoors (fall) | Jul 9 – Aug 25 |
| Spinach | Sow outdoors (spring) | Mar 16 – Apr 29 |
| Spinach | Sow outdoors (fall) | Jul 26 – Aug 30 |
| Radishes | Sow outdoors (spring) | Mar 23 – May 13 |
| Radishes | Sow outdoors (fall) | Jul 9 – Sep 9 |
| Kale | Sow outdoors (spring) | Apr 9 – Apr 29 |
| Kale | Sow outdoors (fall) | Jul 2 – Aug 9 |
| Carrots | Sow outdoors (spring) | Apr 23 – Jun 8 |
| Carrots | Sow outdoors (fall) | Jun 9 – Jul 25 |
| Garlic | Plant outdoors (fall) | Oct 9 – Nov 9 |
Where these dates come from
ZIP code 37825 is matched to the NOAA station Tazewell, TN, 9 km away, at 1,365 ft elevation (115 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Tazewell, TN (used) | 1,365 ft | Apr 23 | Oct 19 |
| Morristown Wfo, TN | 1,320 ft | Mar 31 | Nov 4 |
| Jefferson City, TN | 1,108 ft | Apr 24 | Oct 17 |
| Morristown Radio Wcrk, TN | 1,344 ft | Apr 10 | Oct 28 |
Frost dates near New Tazewell
- New Tazewell, TN 37824 · last Apr 23, first Oct 19
- Lone Mountain, TN 37773 · last Apr 23, first Oct 19
- Tazewell, TN 37879 · last Apr 23, first Oct 19
- Washburn, TN 37888 · last Apr 23, first Oct 19
- Arthur, TN 37707 · last Apr 23, first Oct 19
- Cumberland Gap, TN 37724 · last Apr 23, first Oct 19
- Sharps Chapel, TN 37866 · last Apr 23, first Oct 19
- Speedwell, TN 37870 · last Apr 23, first Oct 19
Frequently asked questions
- When is the last frost in New Tazewell, TN?
- For ZIP code 37825, the average last spring frost (32°F) is April 23, based on NOAA 1991-2020 climate normals for the Tazewell, TN weather station. There is a 1-in-10 chance of a frost after May 11.
- When is the first frost in New Tazewell, TN?
- The average first fall frost (32°F) is October 19. There is a 1-in-10 chance of frost by October 8, so tender plants are at risk from that point on.
- How long is the growing season in 37825?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 177 days long.
- Are these frost dates a forecast?
- No. They are 30-year averages and probabilities from NOAA weather station records. Use them to plan, then watch your local forecast before planting tender crops or leaving them uncovered.