When to plant rosemary in Hawaii
Hawaii spans USDA zone 12a, so the right time to plant rosemary shifts by weeks across the state. The window to transplant seedlings outdoors runs from about February 2 in Kapaa to February 2 in Kapaa — below are local dates for 1 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Kapaa | 12a | January 26 | January 24 | February 2 – February 9 |
Rosemary in Hawaii: FAQ
When can I plant rosemary in Hawaii?
Across Hawaii, the time to transplant rosemary spans roughly February 2 in Kapaa to February 2 in Kapaa, each following that city's local frost dates.
Does the rosemary planting date vary across Hawaii?
Yes. Hawaii publishes 1 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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