When to plant summer squash in Ohio
Ohio spans USDA zones 6a–7a, so the right time to plant summer squash shifts by weeks across the state. The window to transplant seedlings outdoors runs from about April 15 in Cleveland to May 15 in Warren — below are local dates for 187 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Transplant out |
|---|---|---|---|---|
| Columbus | 6b | April 20 | October 24 | April 27 – May 4 |
| Cleveland | 7a | April 8 | November 12 | April 15 – April 22 |
| Cincinnati | 6b | April 16 | October 25 | April 23 – April 30 |
| Toledo | 6b | April 20 | October 27 | April 27 – May 4 |
| Akron | 6b | April 24 | October 28 | May 1 – May 8 |
| Dayton | 6b | April 18 | October 25 | April 25 – May 2 |
| Parma | 6b | April 20 | November 3 | April 27 – May 4 |
| Canton | 6b | April 24 | October 26 | May 1 – May 8 |
Summer Squash in Ohio: FAQ
When can I plant summer squash in Ohio?
Across Ohio, the time to transplant summer squash spans roughly April 15 in Cleveland to May 15 in Warren, each following that city's local frost dates.
Does the summer squash planting date vary across Ohio?
Yes. Ohio publishes 187 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 Ohio?
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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