FrostCal

When to Plant Cabbage in Colorado

In a typical Colorado location, start seeds indoors Mar 15 – Mar 29, then transplant outdoors Apr 5 – Apr 19. Across the state, the outdoor planting window starts as early as Mar 17 in Grand Junction and as late as May 24 in Edwards. For a fall crop, plant around Jul 30 – Aug 13.

Method Start indoors, then transplant
Days to maturity 60–100 days

Cold-hardy; start indoors 5-7 weeks before last frost, transplant 2-4 weeks before last frost.

Cabbage Planting Dates by City

CityStart indoorsTransplantFall planting
DenverMar 12 – Mar 26Apr 2 – Apr 16Aug 3 – Aug 17
Colorado SpringsMar 15 – Mar 29Apr 5 – Apr 19Jul 30 – Aug 13
AuroraMar 16 – Mar 30Apr 6 – Apr 20Jul 30 – Aug 13
Fort CollinsMar 14 – Mar 28Apr 4 – Apr 18Jul 29 – Aug 12
LakewoodMar 15 – Mar 29Apr 5 – Apr 19Jul 29 – Aug 12
ThorntonMar 14 – Mar 28Apr 4 – Apr 18Aug 2 – Aug 16
WestminsterMar 14 – Mar 28Apr 4 – Apr 18Aug 2 – Aug 16
ArvadaMar 17 – Mar 31Apr 7 – Apr 21Jul 27 – Aug 10
CentennialMar 17 – Mar 31Apr 7 – Apr 21Jul 30 – Aug 13
PuebloMar 12 – Mar 26Apr 2 – Apr 16Jul 31 – Aug 14
GreeleyMar 14 – Mar 28Apr 4 – Apr 18Jul 30 – Aug 13
BoulderMar 18 – Apr 1Apr 8 – Apr 22Jul 27 – Aug 10
Highlands RanchMar 17 – Mar 31Apr 7 – Apr 21Jul 30 – Aug 13
LongmontMar 19 – Apr 2Apr 9 – Apr 23Jul 27 – Aug 10
LovelandMar 22 – Apr 5Apr 12 – Apr 26Jul 23 – Aug 6
BroomfieldMar 14 – Mar 28Apr 4 – Apr 18Aug 2 – Aug 16
Grand JunctionFeb 24 – Mar 10Mar 17 – Mar 31Aug 14 – Aug 28
Castle RockMar 21 – Apr 4Apr 11 – Apr 25Jul 24 – Aug 7
Commerce CityMar 16 – Mar 30Apr 6 – Apr 20Jul 30 – Aug 13
ParkerMar 21 – Apr 4Apr 11 – Apr 25Jul 25 – Aug 8
LittletonMar 14 – Mar 28Apr 4 – Apr 18Aug 2 – Aug 16
NorthglennMar 14 – Mar 28Apr 4 – Apr 18Aug 2 – Aug 16
BrightonMar 15 – Mar 29Apr 5 – Apr 19Jul 29 – Aug 12
Dakota RidgeMar 14 – Mar 28Apr 4 – Apr 18Aug 2 – Aug 16
EnglewoodMar 14 – Mar 28Apr 4 – Apr 18Aug 2 – Aug 16
Security-WidefieldMar 15 – Mar 29Apr 5 – Apr 19Jul 30 – Aug 13
WindsorMar 15 – Mar 29Apr 5 – Apr 19Jul 28 – Aug 11
Ken CarylMar 14 – Mar 28Apr 4 – Apr 18Aug 2 – Aug 16
Wheat RidgeMar 17 – Mar 31Apr 7 – Apr 21Jul 27 – Aug 10
Pueblo WestMar 8 – Mar 22Mar 29 – Apr 12Aug 4 – Aug 18

Showing the 30 most populous of 65 Colorado cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Colorado cities.

Frequently Asked Questions

When should I plant cabbage in Colorado?

In a typical Colorado location, start seeds indoors Mar 15 – Mar 29, then transplant outdoors Apr 5 – Apr 19. Across the state, the outdoor planting window starts as early as Mar 17 in Grand Junction and as late as May 24 in Edwards. For a fall crop, plant around Jul 30 – Aug 13.

When is the last frost in Colorado?

The average last spring frost in Colorado ranges from April 14 in Grand Junction to June 21 in Edwards, based on NOAA 1991–2020 climate normals.

How long do cabbage take to grow?

Cabbage typically take 60–100 days from planting to harvest. Cold-hardy; start indoors 5-7 weeks before last frost, transplant 2-4 weeks before last frost.

Other Crops in Colorado

When to plant cabbage in other states

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