FrostCal

When to Plant Broccoli in Utah

In a typical Utah location, start seeds indoors Mar 6 – Mar 20, then transplant outdoors Apr 3 – Apr 10. Across the state, the outdoor planting window starts as early as Feb 21 in Saint George and as late as May 14 in Heber City. For a fall crop, plant around Aug 20 – Aug 27.

Method Start indoors, then transplant
Days to maturity 55–80 days

Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).

Broccoli Planting Dates by City

CityStart indoorsTransplantFall planting
Salt Lake CityFeb 10 – Feb 24Mar 10 – Mar 17Sep 6 – Sep 13
West Valley CityFeb 18 – Mar 4Mar 18 – Mar 25Aug 29 – Sep 5
ProvoFeb 28 – Mar 14Mar 28 – Apr 4Aug 19 – Aug 26
West JordanMar 11 – Mar 25Apr 8 – Apr 15Aug 20 – Aug 27
OremMar 1 – Mar 15Mar 29 – Apr 5Aug 17 – Aug 24
SandyMar 11 – Mar 25Apr 8 – Apr 15Aug 20 – Aug 27
OgdenMar 3 – Mar 17Mar 31 – Apr 7Aug 21 – Aug 28
LaytonMar 1 – Mar 15Mar 29 – Apr 5Aug 17 – Aug 24
Saint GeorgeJan 24 – Feb 7Feb 21 – Feb 28Sep 8 – Sep 15
South JordanFeb 28 – Mar 14Mar 28 – Apr 4Aug 20 – Aug 27
MillcreekMar 7 – Mar 21Apr 4 – Apr 11Aug 16 – Aug 23
TaylorsvilleFeb 10 – Feb 24Mar 10 – Mar 17Sep 6 – Sep 13
LehiMar 12 – Mar 26Apr 9 – Apr 16Aug 7 – Aug 14
LoganMar 20 – Apr 3Apr 17 – Apr 24Jul 31 – Aug 7
MurrayMar 7 – Mar 21Apr 4 – Apr 11Aug 16 – Aug 23
DraperFeb 28 – Mar 14Mar 28 – Apr 4Aug 20 – Aug 27
BountifulMar 7 – Mar 21Apr 4 – Apr 11Aug 22 – Aug 29
RivertonFeb 28 – Mar 14Mar 28 – Apr 4Aug 20 – Aug 27
Pleasant GroveFeb 27 – Mar 13Mar 27 – Apr 3Aug 23 – Aug 30
RoyMar 4 – Mar 18Apr 1 – Apr 8Aug 20 – Aug 27
Spanish ForkMar 7 – Mar 21Apr 4 – Apr 11Aug 16 – Aug 23
KearnsFeb 18 – Mar 4Mar 18 – Mar 25Aug 29 – Sep 5
Cottonwood HeightsMar 11 – Mar 25Apr 8 – Apr 15Aug 20 – Aug 27
TooeleMar 14 – Mar 28Apr 11 – Apr 18Aug 14 – Aug 21
MidvaleMar 11 – Mar 25Apr 8 – Apr 15Aug 20 – Aug 27
SpringvilleMar 7 – Mar 21Apr 4 – Apr 11Aug 16 – Aug 23
HolladayMar 11 – Mar 25Apr 8 – Apr 15Aug 20 – Aug 27
HerrimanFeb 28 – Mar 14Mar 28 – Apr 4Aug 20 – Aug 27
ClearfieldMar 11 – Mar 25Apr 8 – Apr 15Aug 18 – Aug 25
KaysvilleMar 1 – Mar 15Mar 29 – Apr 5Aug 17 – Aug 24

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 broccoli in Utah?

In a typical Utah location, start seeds indoors Mar 6 – Mar 20, then transplant outdoors Apr 3 – Apr 10. Across the state, the outdoor planting window starts as early as Feb 21 in Saint George and as late as May 14 in Heber City. For a fall crop, plant around Aug 20 – Aug 27.

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 broccoli take to grow?

Broccoli typically take 55–80 days from planting to harvest. Start indoors 5-7 weeks before last frost; transplant out 2-3 weeks before last frost (hardens off to light frost).

Other Crops in Utah

When to plant broccoli in other states

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