When to plant in Hawaii
Most of Hawaii rarely or never gets frost, so the season runs on heat and rain instead: cool-season crops go in from fall through early spring, and warm-season crops through spring and summer.
Hardiness zones in Hawaii: 11a (6%), 11b (2%), 12a (18%), 12b (71%).
Planting dates
Without frost dates to count from, the timing that matters is heat. Enter your ZIP code for planting dates where you are.
Frost dates around Hawaii
| Place | Zone | Last frost | First frost |
|---|---|---|---|
| Honolulu | 12b | rare | rare |
| Hilo | 11a | rare | rare |
| Kahului | 12b | rare | rare |
| Kailua Kona | 12b | rare | rare |
| Kapolei | 12b | rare | rare |
| Lahaina | 12b | rare | rare |
| Aiea | 12a | rare | rare |
| Anahola | 12a | rare | rare |
| Captain Cook | 12b | rare | rare |
| Eleele | 12b | rare | rare |
Average dates from the nearest NOAA weather stations (1991–2020). Click a place for its full planting calendar.