FrostCal

When to Plant Turnips in Colorado

In a typical Colorado location, sow 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 Direct sow
Days to maturity 40–60 days

Cold-hardy; direct sow 2-4 weeks before last frost.

Turnips Planting Dates by City

CityDirect sowFall planting
DenverApr 2 – Apr 16Aug 3 – Aug 17
Colorado SpringsApr 5 – Apr 19Jul 30 – Aug 13
AuroraApr 6 – Apr 20Jul 30 – Aug 13
Fort CollinsApr 4 – Apr 18Jul 29 – Aug 12
LakewoodApr 5 – Apr 19Jul 29 – Aug 12
ThorntonApr 4 – Apr 18Aug 2 – Aug 16
WestminsterApr 4 – Apr 18Aug 2 – Aug 16
ArvadaApr 7 – Apr 21Jul 27 – Aug 10
CentennialApr 7 – Apr 21Jul 30 – Aug 13
PuebloApr 2 – Apr 16Jul 31 – Aug 14
GreeleyApr 4 – Apr 18Jul 30 – Aug 13
BoulderApr 8 – Apr 22Jul 27 – Aug 10
Highlands RanchApr 7 – Apr 21Jul 30 – Aug 13
LongmontApr 9 – Apr 23Jul 27 – Aug 10
LovelandApr 12 – Apr 26Jul 23 – Aug 6
BroomfieldApr 4 – Apr 18Aug 2 – Aug 16
Grand JunctionMar 17 – Mar 31Aug 14 – Aug 28
Castle RockApr 11 – Apr 25Jul 24 – Aug 7
Commerce CityApr 6 – Apr 20Jul 30 – Aug 13
ParkerApr 11 – Apr 25Jul 25 – Aug 8
LittletonApr 4 – Apr 18Aug 2 – Aug 16
NorthglennApr 4 – Apr 18Aug 2 – Aug 16
BrightonApr 5 – Apr 19Jul 29 – Aug 12
Dakota RidgeApr 4 – Apr 18Aug 2 – Aug 16
EnglewoodApr 4 – Apr 18Aug 2 – Aug 16
Security-WidefieldApr 5 – Apr 19Jul 30 – Aug 13
WindsorApr 5 – Apr 19Jul 28 – Aug 11
Ken CarylApr 4 – Apr 18Aug 2 – Aug 16
Wheat RidgeApr 7 – Apr 21Jul 27 – Aug 10
Pueblo WestMar 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 turnips in Colorado?

In a typical Colorado location, sow 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 turnips take to grow?

Turnips typically take 40–60 days from planting to harvest. Cold-hardy; direct sow 2-4 weeks before last frost.

Other Crops in Colorado

When to plant turnips in other states

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