When to plant summer squash in Hawaii
Hawaii spans USDA zone 12a, so the right time to plant summer squash shifts by weeks across the state. The window to transplant seedlings outdoors runs from about February 2 in Kapaa to February 2 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 2 – February 9 |
Summer Squash in Hawaii: FAQ
When can I plant summer squash in Hawaii?
Across Hawaii, the time to transplant summer squash spans roughly February 2 in Kapaa to February 2 in Kapaa, each following that city's local frost dates.
Does the summer squash planting date vary across Hawaii?
Yes. Hawaii publishes 1 cities with their own frost dates, so the right summer squash 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 summer squash take to grow in Hawaii?
Summer Squash 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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