When to plant rhubarb in Utah

Utah spans USDA zones 5b–8b, so the right time to plant rhubarb shifts by weeks across the state. The window to transplant seedlings outdoors runs from about January 31 in St. George to April 23 in Heber — below are local dates for 67 cities, each computed from its own frost dates.

In Salt Lake Citythe rhubarb transplant out window (February 17–March 17) has passed for this year.

City	Zone	Last frost	First frost	Transplant out
Salt Lake City	7b	March 31	November 8	February 17 – March 17
West Valley City	7b	April 8	October 31	February 25 – March 25
West Jordan	7b	April 18	October 22	March 7 – April 4
Provo	7a	April 18	October 21	March 7 – April 4
St. George	8b	March 14	November 10	January 31 – February 28
Orem	7a	April 19	October 19	March 8 – April 5
Sandy	7b	April 29	October 22	March 18 – April 15
Ogden	6b	April 21	October 23	March 10 – April 7

Rhubarb in Utah: FAQ

When can I plant rhubarb in Utah?

Across Utah, the time to transplant rhubarb spans roughly January 31 in St. George to April 23 in Heber, each following that city's local frost dates.

Does the rhubarb planting date vary across Utah?

Yes. Utah publishes 67 cities with their own frost dates, so the right rhubarb planting window shifts by weeks between the warmest and coldest parts of the state — use your city's page for the exact dates.

Planting reminders

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Rhubarb planting guide →All Utah cities →Utah planting calendar →