When to plant kohlrabi in Hawaii
Hawaii spans USDA zone 12a, so the right time to plant kohlrabi shifts by weeks across the state. The window to transplant seedlings outdoors runs from about December 29 in Kapaa to December 29 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 | December 29 – January 12 |
Kohlrabi in Hawaii: FAQ
When can I plant kohlrabi in Hawaii?
Across Hawaii, the time to transplant kohlrabi spans roughly December 29 in Kapaa to December 29 in Kapaa, each following that city's local frost dates.
Does the kohlrabi planting date vary across Hawaii?
Yes. Hawaii publishes 1 cities with their own frost dates, so the right kohlrabi 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 kohlrabi take to grow in Hawaii?
Kohlrabi takes about 45–60 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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