When to plant radicchio in Hawaii
Hawaii spans USDA zone 12a, so the right time to plant radicchio shifts by weeks across the state. The window to transplant seedlings outdoors runs from about January 12 in Kapaa to January 12 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 | January 12 – January 26 |
Radicchio in Hawaii: FAQ
When can I plant radicchio in Hawaii?
Across Hawaii, the time to transplant radicchio spans roughly January 12 in Kapaa to January 12 in Kapaa, each following that city's local frost dates.
Does the radicchio planting date vary across Hawaii?
Yes. Hawaii publishes 1 cities with their own frost dates, so the right radicchio 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 radicchio take to grow in Hawaii?
Radicchio takes about 60–90 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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