Where zone 9a shows up
| Location | Zone | Last spring frost | First fall frost | Frost-free days |
|---|---|---|---|---|
| Austin, TX | 9a | Mar 12 | Nov 16 | 249 |
| Baton Rouge, LA | 9a | Feb 25 | Nov 26 | 274 |
| Charleston, SC | 9a | Mar 7 | Nov 27 | 265 |
| Mobile, AL | 9a | Feb 21 | Dec 6 | 288 |
| Portland, OR | 9a | Mar 13 | Nov 19 | 251 |
| Redding, CA | 9a | Mar 3 | Nov 21 | 263 |
| San Antonio, TX | 9a | Feb 26 | Nov 28 | 275 |
| Savannah, GA | 9a | Mar 2 | Nov 30 | 273 |
| Seattle, WA | 9a | Mar 2 | Nov 23 | 266 |
| Tallahassee, FL | 9a | Mar 14 | Nov 23 | 254 |
| North Las Vegas, NV | 9a | Feb 22 | Nov 25 | 276 |
| Paradise, NV | 9a | Feb 22 | Nov 25 | 276 |
| San Bernardino, CA | 9a | Mar 8 | Nov 25 | 262 |
| Fontana, CA | 9a | Mar 8 | Nov 25 | 262 |
| Sunrise Manor, NV | 9a | Feb 22 | Nov 25 | 276 |
| Spring Valley, NV | 9a | Feb 22 | Nov 25 | 276 |
| Rancho Cucamonga, CA | 9a | Mar 4 | Nov 28 | 269 |
| Ontario, CA | 9a | Mar 4 | Nov 28 | 269 |
| Pomona, CA | 9a | Mar 4 | Nov 28 | 269 |
| Gainesville, FL | 9a | Feb 28 | Dec 6 | 281 |
| Bellevue, WA | 9a | Mar 20 | Nov 13 | 238 |
| Lafayette, LA | 9a | Feb 21 | Dec 1 | 283 |
| Beaumont, TX | 9a | Feb 24 | Nov 29 | 278 |
| West Covina, CA | 9a | Mar 4 | Nov 28 | 269 |
| Enterprise, NV | 9a | Feb 22 | Nov 25 | 276 |
| North Charleston, SC | 9a | Mar 1 | Dec 5 | 279 |
| Everett, WA | 9a | Mar 20 | Nov 13 | 238 |
| College Station, TX | 9a | Mar 5 | Nov 23 | 263 |
| Rialto, CA | 9a | Mar 8 | Nov 25 | 262 |
| The Woodlands, TX | 9a | Feb 25 | Nov 30 | 278 |
| Hesperia, CA | 9a | Mar 8 | Nov 25 | 262 |
| Kirkland, WA | 9a | Mar 20 | Nov 13 | 238 |
| Chino, CA | 9a | Mar 4 | Nov 28 | 269 |
| Gulfport, MS | 9a | Feb 18 | Dec 6 | 291 |
| West Gulfport, MS | 9a | Feb 18 | Dec 6 | 291 |
States with zone 9a ground
Alabama
California
Florida
Georgia
Louisiana
Mississippi
Nevada
Oregon
South Carolina
Texas
Washington
Bottom line: zone 9a tells you what will survive your
winter. It does not tell you when to plant — two zone-9a gardens in this list are
30 days apart on last frost.
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