When to plant basil in Hawaii
Hawaii spans USDA zone 12a, so the right time to plant basil shifts by weeks across the state. The window to transplant seedlings outdoors runs from about February 9 in Kapaa to February 9 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 9 – February 16 |
Basil in Hawaii: FAQ
When can I plant basil in Hawaii?
Across Hawaii, the time to transplant basil spans roughly February 9 in Kapaa to February 9 in Kapaa, each following that city's local frost dates.
Does the basil planting date vary across Hawaii?
Yes. Hawaii publishes 1 cities with their own frost dates, so the right basil planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.
How long does basil take to grow in Hawaii?
Basil takes about 60–75 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
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