FrostCal

When to Plant Tomatoes in Utah

In a typical Utah location, start seeds indoors Feb 27 – Mar 13, then transplant outdoors May 1 – May 8. Across the state, the outdoor planting window starts as early as Mar 21 in Saint George and as late as Jun 11 in Heber City.

Method Start indoors, then transplant
Days to maturity 60–85 days

Start indoors 6-8 weeks before last frost; transplant out 1-2 weeks after last frost once soil has warmed.

Tomatoes Planting Dates by City

CityStart indoorsTransplant
Salt Lake CityFeb 3 – Feb 17Apr 7 – Apr 14
West Valley CityFeb 11 – Feb 25Apr 15 – Apr 22
ProvoFeb 21 – Mar 7Apr 25 – May 2
West JordanMar 4 – Mar 18May 6 – May 13
OremFeb 22 – Mar 8Apr 26 – May 3
SandyMar 4 – Mar 18May 6 – May 13
OgdenFeb 24 – Mar 10Apr 28 – May 5
LaytonFeb 22 – Mar 8Apr 26 – May 3
Saint GeorgeJan 17 – Jan 31Mar 21 – Mar 28
South JordanFeb 21 – Mar 7Apr 25 – May 2
MillcreekFeb 28 – Mar 14May 2 – May 9
TaylorsvilleFeb 3 – Feb 17Apr 7 – Apr 14
LehiMar 5 – Mar 19May 7 – May 14
LoganMar 13 – Mar 27May 15 – May 22
MurrayFeb 28 – Mar 14May 2 – May 9
DraperFeb 21 – Mar 7Apr 25 – May 2
BountifulFeb 28 – Mar 14May 2 – May 9
RivertonFeb 21 – Mar 7Apr 25 – May 2
Pleasant GroveFeb 20 – Mar 6Apr 24 – May 1
RoyFeb 25 – Mar 11Apr 29 – May 6
Spanish ForkFeb 28 – Mar 14May 2 – May 9
KearnsFeb 11 – Feb 25Apr 15 – Apr 22
Cottonwood HeightsMar 4 – Mar 18May 6 – May 13
TooeleMar 7 – Mar 21May 9 – May 16
MidvaleMar 4 – Mar 18May 6 – May 13
SpringvilleFeb 28 – Mar 14May 2 – May 9
HolladayMar 4 – Mar 18May 6 – May 13
HerrimanFeb 21 – Mar 7Apr 25 – May 2
ClearfieldMar 4 – Mar 18May 6 – May 13
KaysvilleFeb 22 – Mar 8Apr 26 – May 3

Showing the 30 most populous of 67 Utah cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Utah cities.

Frequently Asked Questions

When should I plant tomatoes in Utah?

In a typical Utah location, start seeds indoors Feb 27 – Mar 13, then transplant outdoors May 1 – May 8. Across the state, the outdoor planting window starts as early as Mar 21 in Saint George and as late as Jun 11 in Heber City.

When is the last frost in Utah?

The average last spring frost in Utah ranges from March 14 in Saint George to June 4 in Heber City, based on NOAA 1991–2020 climate normals.

How long do tomatoes take to grow?

Tomatoes typically take 60–85 days from planting to harvest. Start indoors 6-8 weeks before last frost; transplant out 1-2 weeks after last frost once soil has warmed.

Other Crops in Utah

When to plant tomatoes in other states

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