Frost dates for 37880Ten Mile, TN
The average last spring frost in Ten Mile is April 10 and the average first fall frost is October 27, giving a typical growing season of about 199 days. Dates are based on NOAA 1991-2020 climate normals.
- Average last spring frost
- Apr 10
- Average first fall frost
- Oct 27
- Growing season
- 199 days
Safer after Apr 28 (1-in-10 risk)
Possible by Oct 14 (1-in-10 risk)
Last frost typically in 158 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 7 · Apr 24 · May 9 | Oct 8 · Oct 19 · Oct 31 | 178 days | 100% |
| Frost / freeze (32°F) | Mar 24 · Apr 10 · Apr 28 | Oct 14 · Oct 27 · Nov 9 | 199 days | 100% |
| Hard freeze (28°F) | Mar 8 · Mar 30 · Apr 16 | Oct 24 · Nov 5 · Nov 21 | 220 days | 100% |
Planting calendar for Ten Mile
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 10 – May 16 |
| Tomatoes | Transplant outdoors | Apr 26 – Jul 7 |
| Peppers | Start seeds indoors | Mar 10 – Apr 10 |
| Peppers | Transplant outdoors | May 10 – Jun 10 |
| Eggplant | Start seeds indoors | Mar 27 – Apr 25 |
| Eggplant | Transplant outdoors | May 10 – Jun 10 |
| Cucumbers | Sow outdoors | May 10 – Jul 17 |
| Summer squash | Sow outdoors | Apr 26 – Jun 10 |
| Winter squash & pumpkins | Sow outdoors | May 10 – Jun 10 |
| Snap beans | Sow outdoors | Apr 26 – Aug 9 |
| Sweet corn | Sow outdoors | Apr 26 – Jul 7 |
| Watermelon & cantaloupe | Sow outdoors | May 10 – Jun 10 |
| Okra | Sow outdoors | May 3 – May 26 |
| Peas | Sow outdoors (spring) | Mar 10 – Apr 25 |
| Potatoes | Plant outdoors (spring) | Mar 10 – May 10 |
| Onions | Start seeds indoors (spring) | Jan 27 – Feb 23 |
| Onions | Transplant outdoors (spring) | Mar 27 – Apr 25 |
| Broccoli | Start seeds indoors (spring) | Feb 20 – Mar 26 |
| Broccoli | Transplant outdoors (spring) | Mar 27 – Apr 25 |
| Broccoli | Start seeds indoors (fall) | Jun 27 – Jul 7 |
| Broccoli | Transplant outdoors (fall) | Jul 27 – Aug 7 |
| Cabbage | Start seeds indoors (spring) | Feb 10 – Mar 10 |
| Cabbage | Transplant outdoors (spring) | Mar 10 – Apr 10 |
| Cabbage | Start seeds indoors (fall) | Jun 17 – Jul 17 |
| Cabbage | Transplant outdoors (fall) | Jul 17 – Aug 17 |
| Leaf lettuce | Sow outdoors (spring) | Mar 10 – May 26 |
| Leaf lettuce | Sow outdoors (fall) | Jul 17 – Sep 2 |
| Spinach | Sow outdoors (spring) | Mar 3 – Apr 16 |
| Spinach | Sow outdoors (fall) | Aug 3 – Sep 7 |
| Radishes | Sow outdoors (spring) | Mar 10 – Apr 30 |
| Radishes | Sow outdoors (fall) | Jul 17 – Sep 17 |
| Kale | Sow outdoors (spring) | Mar 27 – Apr 16 |
| Kale | Sow outdoors (fall) | Jul 10 – Aug 17 |
| Carrots | Sow outdoors (spring) | Apr 10 – May 26 |
| Carrots | Sow outdoors (fall) | Jun 17 – Aug 2 |
| Garlic | Plant outdoors (fall) | Oct 17 – Nov 17 |
Where these dates come from
ZIP code 37880 is matched to the NOAA station Decatur 7Ne, TN, 5.3 km away, at 750 ft elevation (83 ft lower than the ZIP code's center). Nearby stations for comparison:
| Station | Elevation | Avg last frost | Avg first frost |
|---|---|---|---|
| Decatur 7Ne, TN (used) | 750 ft | Apr 10 | Oct 27 |
| Rockwood 2, TN | 767 ft | Apr 8 | Oct 31 |
| Spring City, TN | 755 ft | Apr 11 | Oct 29 |
| Kingston, TN | 814 ft | Apr 3 | Nov 4 |
Frost dates near Ten Mile
- Niota, TN 37826 · last Apr 6, first Oct 31
- Spring City, TN 37381 · last Apr 11, first Oct 29
- Rockwood, TN 37854 · last Apr 8, first Oct 31
- Sweetwater, TN 37874 · last Apr 6, first Oct 31
- Philadelphia, TN 37846 · last Apr 5, first Nov 1
- Grandview, TN 37337 · last Apr 16, first Oct 23
- Kingston, TN 37763 · last Apr 3, first Nov 4
- Decatur, TN 37322 · last Apr 4, first Oct 31
Frequently asked questions
- When is the last frost in Ten Mile, TN?
- For ZIP code 37880, the average last spring frost (32°F) is April 10, based on NOAA 1991-2020 climate normals for the Decatur 7Ne, TN weather station. There is a 1-in-10 chance of a frost after April 28.
- When is the first frost in Ten Mile, TN?
- The average first fall frost (32°F) is October 27. There is a 1-in-10 chance of frost by October 14, so tender plants are at risk from that point on.
- How long is the growing season in 37880?
- In half of years, the frost-free season (between the last and first 32°F frost) is at least 199 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.