FrostCal

When to Plant Cilantro in Colorado

In a typical Colorado location, sow outdoors Apr 12 – Apr 26. Across the state, the outdoor planting window starts as early as Mar 24 in Grand Junction and as late as May 31 in Edwards. For a fall crop, plant around Aug 13 – Aug 27.

Method Direct sow
Days to maturity 45–70 days

Cool-season, bolts in heat; direct sow 1-3 weeks before last frost, succession sow through spring.

Cilantro Planting Dates by City

CityDirect sowFall planting
DenverApr 9 – Apr 23Aug 17 – Aug 31
Colorado SpringsApr 12 – Apr 26Aug 13 – Aug 27
AuroraApr 13 – Apr 27Aug 13 – Aug 27
Fort CollinsApr 11 – Apr 25Aug 12 – Aug 26
LakewoodApr 12 – Apr 26Aug 12 – Aug 26
ThorntonApr 11 – Apr 25Aug 16 – Aug 30
WestminsterApr 11 – Apr 25Aug 16 – Aug 30
ArvadaApr 14 – Apr 28Aug 10 – Aug 24
CentennialApr 14 – Apr 28Aug 13 – Aug 27
PuebloApr 9 – Apr 23Aug 14 – Aug 28
GreeleyApr 11 – Apr 25Aug 13 – Aug 27
BoulderApr 15 – Apr 29Aug 10 – Aug 24
Highlands RanchApr 14 – Apr 28Aug 13 – Aug 27
LongmontApr 16 – Apr 30Aug 10 – Aug 24
LovelandApr 19 – May 3Aug 6 – Aug 20
BroomfieldApr 11 – Apr 25Aug 16 – Aug 30
Grand JunctionMar 24 – Apr 7Aug 28 – Sep 11
Castle RockApr 18 – May 2Aug 7 – Aug 21
Commerce CityApr 13 – Apr 27Aug 13 – Aug 27
ParkerApr 18 – May 2Aug 8 – Aug 22
LittletonApr 11 – Apr 25Aug 16 – Aug 30
NorthglennApr 11 – Apr 25Aug 16 – Aug 30
BrightonApr 12 – Apr 26Aug 12 – Aug 26
Dakota RidgeApr 11 – Apr 25Aug 16 – Aug 30
EnglewoodApr 11 – Apr 25Aug 16 – Aug 30
Security-WidefieldApr 12 – Apr 26Aug 13 – Aug 27
WindsorApr 12 – Apr 26Aug 11 – Aug 25
Ken CarylApr 11 – Apr 25Aug 16 – Aug 30
Wheat RidgeApr 14 – Apr 28Aug 10 – Aug 24
Pueblo WestApr 5 – Apr 19Aug 18 – Sep 1

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 cilantro in Colorado?

In a typical Colorado location, sow outdoors Apr 12 – Apr 26. Across the state, the outdoor planting window starts as early as Mar 24 in Grand Junction and as late as May 31 in Edwards. For a fall crop, plant around Aug 13 – Aug 27.

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 cilantro take to grow?

Cilantro typically take 45–70 days from planting to harvest. Cool-season, bolts in heat; direct sow 1-3 weeks before last frost, succession sow through spring.

Other Crops in Colorado

When to plant cilantro in other states

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