There are 2 Planting zones in Chattanooga, Tennessee, USDA Hardniess Zone 8a and 7b, according to latest USDA update. The 2 Planting zones of Chattanooga are listed below.
- Zone 8a (10°F to 15°F / -12.2°C to -9.4°C) covers most of Chattanooga, including Downtown (37401), East Brainerd, Ooltewah (37421), and areas like Gunbarrel Road and Collegedale.
- Zone 7b (5°F to 10°F / -15°C to -12.2°C) is found in elevated regions like Signal Mountain, Lookout Mountain, and parts of Ridgeside.
You can find your Chattanooga, Tennessee, USDA zone using our three tools given below, Zipcode to planting zone search tool, interactive map or by planting zone table.
Chattanooga Planting Zones by ZipCode
Enter 5 digit Chattanooga zipcode to find its USDA Planting zone.
Chattanooga Planting Zones Map
Please Select or type your Chattanooga location in the selection box below to find its USDA Growing zone.
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Chattanooga Area Planting Zone
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Planting Zones
Chattanooga Planting Zones Table
Below table lists all the Chattanooga locations with their USDA Hardiness zones.
| Chattanooga Location | Planting Zone |
|---|---|
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Chattanooga Growing Zones
The 2 Planting zones in Chattanooga, Tennessee, are USDA Hardniess Zone 8a and 7b.
Zone 8a
Zone 8a covers most of Chattanooga, with milder winters, this zone supports heat-loving plants like camellias (Camellia japonica), figs (Ficus carica), and citrus trees like Harvey Lemon (Citrus × limon) and Lane Late Navel Orange (Citrus sinensis).
Drought-resistant ornamental plants like Southern Magnolia (Magnolia grandiflora) and Crape Myrtle (Lagerstroemia indica) also grows here.
Zone 7b
Zone 7b of Chattanooga is found in elevated regions like Signal Mountain and experiences cooler temperatures. This zone suits cold-hardy fruit trees such as apples like Akane (Malus domestica ‘Akane’) and Honeycrisp (Malus domestica ‘Honeycrisp’), cherries (Prunus avium), and traditional perennials like Hosta (Hosta sieboldiana) and Bee Balm (Monarda didyma).