Soddy-Daisy, TN planting zone & frost dates
Soddy-Daisy is in USDA hardiness zone 7b. The last spring frost usually comes around March 24 and the first fall frost around November 9, for a growing season of about 230 days.
Planting calendar for Soddy-Daisy
Dates are counted from the average last spring frost (March 24) 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: Jan 27 – Feb 10 Transplant outdoors: Mar 31 – Apr 7 |
| Peppers | Start seeds indoors: Jan 13 – Jan 27 Transplant outdoors: Apr 7 – Apr 14 |
| Eggplant | Start seeds indoors: Jan 13 – Jan 27 Transplant outdoors: Apr 7 – Apr 14 |
| Broccoli | Start seeds indoors: Jan 13 – Jan 27 Transplant outdoors: Feb 24 – Mar 10 |
| Cabbage | Start seeds indoors: Jan 13 – Jan 27 Transplant outdoors: Feb 24 – Mar 10 |
| Onions (sets) | Plant outdoors: Feb 24 – Mar 10 |
| Peas | Sow outdoors: Feb 10 – Feb 24 |
| Spinach | Sow outdoors: Feb 10 – Feb 24 |
| Lettuce | Sow outdoors: Feb 24 – Mar 10 |
| Carrots | Sow outdoors: Feb 24 – Mar 10 |
| Potatoes | Plant outdoors: Feb 24 – Mar 10 |
| Beans | Sow outdoors: Mar 31 – Apr 7 |
| Sweet corn | Sow outdoors: Mar 31 – Apr 7 |
| Cucumbers | Sow outdoors: Mar 31 – Apr 7 |
| Squash & zucchini | Sow outdoors: Mar 31 – Apr 7 |
| Basil | Start seeds indoors: Feb 10 – Feb 24 Transplant outdoors: Mar 31 – Apr 7 |
Fall garden: cool-season crops like lettuce, spinach and kale can be sown again around Sep 14 (8 weeks before the average first fall frost on Nov 9).
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 6 | Mar 24 | Apr 8 |
| First 32°F frost in fall is before | Nov 26 | Nov 9 | Oct 27 |
How to read it: in spring there is a 10% chance of a frost after April 8, so that is a safe date for tender plants. In fall there is a 10% chance of frost before October 27. A hard freeze (28°F) usually ends around March 11.
Nearby cities
- Middle Valley zone 7b, last frost Mar 24
- Red Bank zone 8a, last frost Mar 24
- East Chattanooga zone 8a, last frost Mar 24
- Chattanooga zone 8a, last frost Mar 24
- East Ridge zone 8a, last frost Mar 24
- Collegedale zone 8a, last frost Mar 24
- East Brainerd zone 8a, last frost Mar 24
- Cleveland zone 7b, last frost Apr 6
Questions
What growing zone is Soddy-Daisy, TN?
Soddy-Daisy 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 Soddy-Daisy?
The average last spring frost (32°F) in Soddy-Daisy is March 24. There is still a 10% chance of frost until April 8.
When can I plant tomatoes in Soddy-Daisy?
Transplant tomatoes outdoors 1–2 weeks after the average last frost: around Mar 31 – Apr 7. Start seeds indoors 6–8 weeks before the last frost.
Frost dates: NOAA U.S. Climate Normals 1991–2020, station Chattanooga Lovell Ap, TN (USW00013882), 22.8 km (14.2 mi) from the city center, elevation 204 m, based on 27 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.