When to plant borage in Indiana
Indiana spans USDA zones 5b–7a, so the right time to plant borage shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 29 in Evansville to May 2 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 20 – May 4 |
| Fort Wayne | 6a | April 24 | October 21 | April 24 – May 8 |
| Evansville | 7a | March 29 | November 10 | March 29 – April 12 |
| South Bend | 6a | April 23 | October 23 | April 23 – May 7 |
| Fishers | 6a | April 21 | October 21 | April 21 – May 5 |
| Carmel | 6a | April 21 | October 21 | April 21 – May 5 |
| Bloomington | 6b | April 15 | October 26 | April 15 – April 29 |
| Hammond | 6a | April 23 | October 20 | April 23 – May 7 |
Borage in Indiana: FAQ
When can I plant borage in Indiana?
Across Indiana, the time to direct-sow borage spans roughly March 29 in Evansville to May 2 in Auburn, each following that city's local frost dates.
Does the borage planting date vary across Indiana?
Yes. Indiana publishes 86 cities with their own frost dates, so the right borage 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 borage take to grow in Indiana?
Borage takes about 50–60 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.