USDA Hardiness Zone 8 Planting Guide
Zone 8 covers locations where the average annual extreme minimum winter temperature ranges from 10 to 20 degrees Fahrenheit. This page covers both subzones: zone 8a (10 to 15 degrees F) and zone 8b (15 to 20 degrees F).
Zone 8 Overview
Zone 8 encompasses the Deep South, Gulf Coast, Pacific Northwest coast, and parts of Texas and the Southwest. Minimum winter temperatures of 10 to 20 degrees Fahrenheit deliver mild winters with occasional brief cold snaps. Growing seasons range from 230 to 300 days, providing nearly year-round production potential for planned gardens. Zone 8 gardening is characterized by hot, long summers that stress some traditional temperate crops but enable extended harvests of heat-tolerant varieties. The zone bridges temperate and subtropical growing, with many tropical plants surviving outdoors in zone 8b and cool-season crops thriving through the mild winters.
Zone 8 Temperature Ranges
| Subzone | Min Temp (°F) | Max Temp (°F) | Description |
|---|---|---|---|
| 8a | 10°F | 15°F | Deep South and Pacific coast; camellias and gardenias thrive |
| 8b | 15°F | 20°F | Gulf Coast and Southern California; subtropical plants |
Plants for Zone 8
Zone 8 supports a lush palette including camellias, gardenias, azaleas, crape myrtles, Southern magnolias, and live oaks. Citrus trees (satsumas, kumquats, Meyer lemons, and some orange varieties in 8b) bear fruit reliably. Hardy bananas survive winter and produce ornamental foliage. Japanese maples, dogwoods, and redbuds add spring interest. All common fruit trees grow, though some high-chill varieties (like certain apple cultivars) may not get enough winter cold. Blueberries, figs, muscadine grapes, pecans, and persimmons are signature zone 8 food crops.
Vegetable Gardening in Zone 8
Zone 8's near-year-round season enables three-season vegetable gardening. Spring planting starts in February with cool-season crops and warm-season transplants going out by late March. Summer production of tomatoes, peppers, squash, and okra runs through October. Fall planting in September yields cool-season crops (broccoli, lettuce, carrots, beets) that produce through winter. Some cool-season crops like kale, spinach, and Swiss chard grow continuously from October through April. Garlic planted in November harvests in May. The main gap is the peak summer heat of July and August when many crops struggle.
Frost Protection & Season Tips for Zone 8
Zone 8 freeze protection focuses on tropical and subtropical plants during the handful of freezing nights per winter. Citrus trees need covering when temperatures drop below 28 degrees Fahrenheit. Tender tropicals like bougainvillea, plumeria, and hibiscus should be containerized for winter relocation or covered during cold events. Pipes and irrigation systems in exposed locations need freeze protection. The biggest zone 8 gardening risk is often heat stress rather than cold damage: afternoon shade, adequate irrigation, and heat-tolerant variety selection matter more than winter protection for vegetable production.
Cities in Zone 8
The following cities in our database fall within zone 8. Click any city for detailed frost dates and planting calendars.
| City | State | Subzone | Growing Season | Last Spring Frost | First Fall Frost |
|---|---|---|---|---|---|
| Montgomery | Alabama | 8a | 258 days | March 8 | November 21 |
| Pine Bluff | Arkansas | 8a | 250 days | March 10 | November 15 |
| Augusta | Georgia | 8a | 245 days | March 15 | November 15 |
| Macon | Georgia | 8a | 253 days | March 10 | November 18 |
| Shreveport | Louisiana | 8a | 252 days | March 8 | November 15 |
| Jackson | Mississippi | 8a | 250 days | March 10 | November 15 |
| Las Cruces | New Mexico | 8a | 231 days | March 22 | November 8 |
| Columbia | South Carolina | 8a | 245 days | March 15 | November 15 |
| Dallas | Texas | 8a | 250 days | March 12 | November 17 |
| El Paso | Texas | 8a | 243 days | March 14 | November 12 |
| Virginia Beach | Virginia | 8a | 238 days | March 22 | November 15 |
| Norfolk | Virginia | 8a | 243 days | March 20 | November 18 |
| Olympia | Washington | 8a | 218 days | April 1 | November 5 |
| Mobile | Alabama | 8b | 291 days | February 17 | December 5 |
| Tallahassee | Florida | 8b | 260 days | March 5 | November 20 |
| Savannah | Georgia | 8b | 276 days | February 25 | November 28 |
| Baton Rouge | Louisiana | 8b | 279 days | February 22 | November 28 |
| Gulfport | Mississippi | 8b | 284 days | February 20 | December 1 |
| Hattiesburg | Mississippi | 8b | 258 days | March 5 | November 18 |
| Wilmington | North Carolina | 8b | 259 days | March 8 | November 22 |
| Portland | Oregon | 8b | 232 days | March 25 | November 12 |
| Salem | Oregon | 8b | 210 days | April 5 | November 1 |
| Eugene | Oregon | 8b | 203 days | April 8 | October 28 |
| Charleston | South Carolina | 8b | 276 days | February 25 | November 28 |
| Myrtle Beach | South Carolina | 8b | 260 days | March 5 | November 20 |
| Austin | Texas | 8b | 269 days | March 1 | November 25 |
| San Antonio | Texas | 8b | 277 days | February 24 | November 28 |
| St. George | Utah | 8b | 242 days | March 15 | November 12 |
| Seattle | Washington | 8b | 255 days | March 10 | November 20 |
| Tacoma | Washington | 8b | 245 days | March 15 | November 15 |