Sevierville, TN planting zone & frost dates
Sevierville is in USDA hardiness zone 7b. The last spring frost usually comes around April 6 and the first fall frost around October 29, for a growing season of about 205 days.
Planting calendar for Sevierville
Dates are counted from the average last spring frost (April 6) using the typical timing recommended by U.S. extension services. Warm-season crops go out only after the danger of frost has passed and the soil has warmed.
| Crop | When |
|---|---|
| Tomatoes | Start seeds indoors: Feb 9 – Feb 23 Transplant outdoors: Apr 13 – Apr 20 |
| Peppers | Start seeds indoors: Jan 26 – Feb 9 Transplant outdoors: Apr 20 – Apr 27 |
| Eggplant | Start seeds indoors: Jan 26 – Feb 9 Transplant outdoors: Apr 20 – Apr 27 |
| Broccoli | Start seeds indoors: Jan 26 – Feb 9 Transplant outdoors: Mar 9 – Mar 23 |
| Cabbage | Start seeds indoors: Jan 26 – Feb 9 Transplant outdoors: Mar 9 – Mar 23 |
| Onions (sets) | Plant outdoors: Mar 9 – Mar 23 |
| Peas | Sow outdoors: Feb 23 – Mar 9 |
| Spinach | Sow outdoors: Feb 23 – Mar 9 |
| Lettuce | Sow outdoors: Mar 9 – Mar 23 |
| Carrots | Sow outdoors: Mar 9 – Mar 23 |
| Potatoes | Plant outdoors: Mar 9 – Mar 23 |
| Beans | Sow outdoors: Apr 13 – Apr 20 |
| Sweet corn | Sow outdoors: Apr 13 – Apr 20 |
| Cucumbers | Sow outdoors: Apr 13 – Apr 20 |
| Squash & zucchini | Sow outdoors: Apr 13 – Apr 20 |
| Basil | Start seeds indoors: Feb 23 – Mar 9 Transplant outdoors: Apr 13 – Apr 20 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 3 (8 weeks before the average first fall frost on Oct 29).
Useful for zone 7b gardens
- Seed starting kit with dome — to start seeds indoors before the last frost
- LED grow light for seedlings — stops leggy seedlings
- Frost cloth / plant covers — for late spring and early fall frosts
- Soil thermometer — warm-season crops need soil above 60°F
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Frost risk in detail
| 90% chance | 50% chance | 10% chance | |
|---|---|---|---|
| Last 32°F frost in spring is after | Mar 23 | Apr 6 | Apr 21 |
| First 32°F frost in fall is before | Nov 11 | Oct 29 | Oct 16 |
How to read it: in spring there is a 10% chance of a frost after April 21, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 16. A hard freeze (28°F) usually ends around March 27.
Hardiness zone by ZIP code in Sevierville
- 37862 zone 7b
- 37864 zone 7b
- 37876 zone 7b
Nearby cities
- Seymour zone 7b, last frost Apr 6
- Knoxville zone 7b, last frost Apr 11
- Maryville zone 7b, last frost Apr 1
- Morristown zone 7b, last frost Apr 10
- Farragut zone 7b, last frost Apr 5
- Clinton zone 7b, last frost Mar 31
- Oak Ridge zone 7b, last frost Apr 5
- Greeneville zone 7a, last frost Apr 20
Questions
What growing zone is Sevierville, TN?
Sevierville is in USDA Plant Hardiness Zone 7b (average extreme winter low 5°F to 10°F), according to the USDA 2023 map.
When is the last frost in Sevierville?
The average last spring frost (32°F) in Sevierville is April 6. There is still a 10% chance of frost until April 21.
When can I plant tomatoes in Sevierville?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Apr 13 – Apr 20. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Sevierville, TN (USC00408179), 7.6 km (4.7 mi) from the city center, elevation 274 m, based on 25 years of records. Hardiness zone: USDA Plant Hardiness Zone Map 2023 for the ZIP code nearest to the city center. Microclimates (valleys, hills, cities, coasts) can be warmer or colder: check the local forecast before planting. How we calculate the data.