When to plant borage in Utah
Utah spans USDA zones 5b–8b, so the right time to plant borage shifts by weeks across the state. The window to sow seed directly outdoors runs from about March 14 in St. George to June 4 in Heber — below are local dates for 67 cities, each computed from its own frost dates.
| City | Zone | Last frost | First frost | Direct sow |
|---|---|---|---|---|
| Salt Lake City | 7b | March 31 | November 8 | March 31 – April 14 |
| West Valley City | 7b | April 8 | October 31 | April 8 – April 22 |
| West Jordan | 7b | April 18 | October 22 | April 18 – May 2 |
| Provo | 7a | April 18 | October 21 | April 18 – May 2 |
| St. George | 8b | March 14 | November 10 | March 14 – March 28 |
| Orem | 7a | April 19 | October 19 | April 19 – May 3 |
| Sandy | 7b | April 29 | October 22 | April 29 – May 13 |
| Ogden | 6b | April 21 | October 23 | April 21 – May 5 |
Borage in Utah: FAQ
When can I plant borage in Utah?
Across Utah, the time to direct-sow borage spans roughly March 14 in St. George to June 4 in Heber, each following that city's local frost dates.
Does the borage planting date vary across Utah?
Yes. Utah publishes 67 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 Utah?
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.