When to plant spaghetti squash in Indiana
Indiana spans USDA zones 5b–7a, so the right time to plant spaghetti squash shifts by weeks across the state. The window to sow seed directly outdoors runs from about April 5 in Evansville to May 9 in Auburn — below are local dates for 86 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Indianapolis | 6b | April 20 | October 21 | April 27 – May 11 |
| Fort Wayne | 6a | April 24 | October 21 | May 1 – May 15 |
| Evansville | 7a | March 29 | November 10 | April 5 – April 19 |
| South Bend | 6a | April 23 | October 23 | April 30 – May 14 |
| Fishers | 6a | April 21 | October 21 | April 28 – May 12 |
| Carmel | 6a | April 21 | October 21 | April 28 – May 12 |
| Bloomington | 6b | April 15 | October 26 | April 22 – May 6 |
| Hammond | 6a | April 23 | October 20 | April 30 – May 14 |
Spaghetti Squash in Indiana: FAQ
When can I plant spaghetti squash in Indiana?
Across Indiana, the time to direct-sow spaghetti squash spans roughly April 5 in Evansville to May 9 in Auburn, each following that city's local frost dates.
Does the spaghetti squash planting date vary across Indiana?
Yes. Indiana publishes 86 cities with their own frost dates, so the right spaghetti 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 spaghetti squash take to grow in Indiana?
Spaghetti Squash takes about 85–100 days to reach harvest once planted — check that this fits inside your city's frost-free season on its place page.
Never miss a window in your area
An email when it’s time to start seeds, transplant, and sow — timed to your frost dates. Double opt-in, one-click unsubscribe, no spam.