When to plant rosemary in Louisiana
Louisiana spans USDA zones 8b–9b, so the right time to plant rosemary shifts by weeks across the state. The window to transplant seedlings outdoors runs from about January 29 in New Orleans to April 4 in Claiborne — below are local dates for 55 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| New Orleans | 9b | January 22 | January 5 | January 29 – February 5 |
| Baton Rouge | 9a | February 28 | November 26 | March 7 – March 14 |
| Shreveport | 8b | March 9 | November 18 | March 16 – March 23 |
| Metairie | 9b | January 30 | December 31 | February 6 – February 13 |
| Lafayette | 9a | February 26 | November 28 | March 5 – March 12 |
| Lake Charles | 9a | February 14 | December 7 | February 21 – February 28 |
| Kenner | 9b | January 30 | December 31 | February 6 – February 13 |
| Bossier City | 8b | February 28 | November 24 | March 7 – March 14 |
Rosemary in Louisiana: FAQ
When can I plant rosemary in Louisiana?
Across Louisiana, the time to transplant rosemary spans roughly January 29 in New Orleans to April 4 in Claiborne, each following that city's local frost dates.
Does the rosemary planting date vary across Louisiana?
Yes. Louisiana publishes 55 cities with their own frost dates, so the right rosemary planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
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