Where zone 9b shows up
| Location | Zone | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|---|
| Eureka, CA | 9b | Mar 8 | Nov 30 | 267 |
| Bakersfield, CA | 9b | Jan 31 | Dec 8 | 311 |
| Oceanside, CA | 9b | Feb 16 | Dec 8 | 295 |
| Fresno, CA | 9b | Jan 14 | Dec 14 | 334 |
| Houston, TX | 9b | Feb 13 | Dec 9 | 299 |
| Las Vegas, NV | 9b | Jan 24 | Dec 10 | 320 |
| Sacramento, CA | 9b | Feb 2 | Dec 2 | 303 |
| Santa Maria, CA | 9b | Feb 4 | Dec 13 | 312 |
| Tucson, AZ | 9b | Feb 5 | Dec 9 | 307 |
| Jacksonville, FL | 9b | โ | โ | year-round |
| San Jose, CA | 9b | Feb 9 | Dec 11 | 305 |
| Mesa, AZ | 9b | โ | โ | year-round |
| Tampa, FL | 9b | โ | โ | year-round |
| New Orleans, LA | 9b | โ | โ | year-round |
| Orlando, FL | 9b | โ | โ | year-round |
| Riverside, CA | 9b | โ | โ | year-round |
| Stockton, CA | 9b | Feb 11 | Dec 3 | 295 |
| Henderson, NV | 9b | Feb 1 | Dec 9 | 311 |
| Chandler, AZ | 9b | โ | โ | year-round |
| Laredo, TX | 9b | Feb 4 | Dec 14 | 313 |
| Gilbert, AZ | 9b | โ | โ | year-round |
| Glendale, AZ | 9b | โ | โ | year-round |
| Scottsdale, AZ | 9b | โ | โ | year-round |
| Fremont, CA | 9b | โ | โ | year-round |
| Modesto, CA | 9b | Feb 15 | Dec 3 | 291 |
| Maryvale, AZ | 9b | โ | โ | year-round |
| Moreno Valley, CA | 9b | โ | โ | year-round |
| Cypress, TX | 9b | Feb 13 | Dec 10 | 300 |
| Peoria, AZ | 9b | โ | โ | year-round |
| Santa Rosa, CA | 9b | โ | โ | year-round |
| Tempe, AZ | 9b | โ | โ | year-round |
| Elk Grove, CA | 9b | Feb 7 | Dec 6 | 302 |
| Deer Valley, AZ | 9b | โ | โ | year-round |
| Tempe Junction, AZ | 9b | โ | โ | year-round |
| Salinas, CA | 9b | Jan 30 | Dec 12 | 316 |
| Sunnyvale, CA | 9b | โ | โ | year-round |
| Pasadena, TX | 9b | Feb 6 | Dec 17 | 314 |
| Surprise, AZ | 9b | โ | โ | year-round |
| Metairie Terrace, LA | 9b | โ | โ | year-round |
| Metairie, LA | 9b | โ | โ | year-round |
| Roseville, CA | 9b | Feb 22 | Dec 1 | 282 |
| Visalia, CA | 9b | Feb 14 | Dec 3 | 292 |
| Alhambra, AZ | 9b | โ | โ | year-round |
| Santa Clara, CA | 9b | Feb 9 | Dec 11 | 305 |
| Vallejo, CA | 9b | โ | โ | year-round |
| Chico, CA | 9b | Mar 1 | Nov 28 | 272 |
| Fairfield, CA | 9b | โ | โ | year-round |
| Antioch, CA | 9b | Feb 2 | Dec 6 | 307 |
| Murrieta, CA | 9b | โ | โ | year-round |
| Pearland, TX | 9b | Feb 6 | Dec 17 | 314 |
| Clovis, CA | 9b | Feb 13 | Dec 4 | 294 |
| El Cajon, CA | 9b | โ | โ | year-round |
| Brandon, FL | 9b | โ | โ | year-round |
| Alief, TX | 9b | Feb 13 | Dec 10 | 300 |
| League City, TX | 9b | Feb 6 | Dec 17 | 314 |
| Vacaville, CA | 9b | Feb 2 | Dec 6 | 307 |
| Arden-Arcade, CA | 9b | Feb 22 | Dec 1 | 282 |
| Deltona, FL | 9b | โ | โ | year-round |
| Sugar Land, TX | 9b | Feb 13 | Dec 10 | 300 |
| Livermore, CA | 9b | โ | โ | year-round |
| Indio, CA | 9b | โ | โ | year-round |
| Menifee, CA | 9b | โ | โ | year-round |
| Tracy, CA | 9b | Feb 11 | Dec 3 | 295 |
| Citrus Heights, CA | 9b | Feb 22 | Dec 1 | 282 |
| Redwood City, CA | 9b | โ | โ | year-round |
| Hemet, CA | 9b | โ | โ | year-round |
| Ahwatukee Foothills, AZ | 9b | โ | โ | year-round |
States with zone 9b ground
Bottom line: zone 9b tells you what will survive your
winter. It does not tell you when to plant โ two zone-9b gardens in this list are
53 days apart on last frost.
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