FrostCal

When to Plant Spinach in Utah

In a typical Utah location, sow outdoors Mar 13 – Mar 27. Across the state, the outdoor planting window starts as early as Jan 31 in Saint George and as late as Apr 23 in Heber City. For a fall crop, plant around Aug 27 – Sep 10.

Method Direct sow
Days to maturity 40–50 days

Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.

Spinach Planting Dates by City

CityDirect sowFall planting
Salt Lake CityFeb 17 – Mar 3Sep 13 – Sep 27
West Valley CityFeb 25 – Mar 11Sep 5 – Sep 19
ProvoMar 7 – Mar 21Aug 26 – Sep 9
West JordanMar 18 – Apr 1Aug 27 – Sep 10
OremMar 8 – Mar 22Aug 24 – Sep 7
SandyMar 18 – Apr 1Aug 27 – Sep 10
OgdenMar 10 – Mar 24Aug 28 – Sep 11
LaytonMar 8 – Mar 22Aug 24 – Sep 7
Saint GeorgeJan 31 – Feb 14Sep 15 – Sep 29
South JordanMar 7 – Mar 21Aug 27 – Sep 10
MillcreekMar 14 – Mar 28Aug 23 – Sep 6
TaylorsvilleFeb 17 – Mar 3Sep 13 – Sep 27
LehiMar 19 – Apr 2Aug 14 – Aug 28
LoganMar 27 – Apr 10Aug 7 – Aug 21
MurrayMar 14 – Mar 28Aug 23 – Sep 6
DraperMar 7 – Mar 21Aug 27 – Sep 10
BountifulMar 14 – Mar 28Aug 29 – Sep 12
RivertonMar 7 – Mar 21Aug 27 – Sep 10
Pleasant GroveMar 6 – Mar 20Aug 30 – Sep 13
RoyMar 11 – Mar 25Aug 27 – Sep 10
Spanish ForkMar 14 – Mar 28Aug 23 – Sep 6
KearnsFeb 25 – Mar 11Sep 5 – Sep 19
Cottonwood HeightsMar 18 – Apr 1Aug 27 – Sep 10
TooeleMar 21 – Apr 4Aug 21 – Sep 4
MidvaleMar 18 – Apr 1Aug 27 – Sep 10
SpringvilleMar 14 – Mar 28Aug 23 – Sep 6
HolladayMar 18 – Apr 1Aug 27 – Sep 10
HerrimanMar 7 – Mar 21Aug 27 – Sep 10
ClearfieldMar 18 – Apr 1Aug 25 – Sep 8
KaysvilleMar 8 – Mar 22Aug 24 – Sep 7

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 spinach in Utah?

In a typical Utah location, sow outdoors Mar 13 – Mar 27. Across the state, the outdoor planting window starts as early as Jan 31 in Saint George and as late as Apr 23 in Heber City. For a fall crop, plant around Aug 27 – Sep 10.

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 spinach take to grow?

Spinach typically take 40–50 days from planting to harvest. Very cold-hardy; direct sow 4-6 weeks before last frost as soon as soil can be worked.

Other Crops in Utah

When to plant spinach in other states

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