When to plant coriander (seed) in Hawaii
Hawaii spans USDA zone 12a, so the right time to plant coriander (seed) shifts by weeks across the state. The window to sow seed directly 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 | Direct sow |
|---|---|---|---|---|
| Kapaa | 12a | January 26 | January 24 | January 12 – February 9 |
Coriander (Seed) in Hawaii: FAQ
When can I plant coriander (seed) in Hawaii?
Across Hawaii, the time to direct-sow coriander (seed) spans roughly January 12 in Kapaa to January 12 in Kapaa, each following that city's local frost dates.
Does the coriander (seed) planting date vary across Hawaii?
Yes. Hawaii publishes 1 cities with their own frost dates, so the right coriander (seed) 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 coriander (seed) take to grow in Hawaii?
Coriander (Seed) takes about 90–110 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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