FrostCal

When to Plant Parsley in Colorado

In a typical Colorado location, start seeds indoors Mar 8 – Mar 22, then transplant outdoors Apr 19 – Apr 26. Across the state, the outdoor planting window starts as early as Mar 31 in Grand Junction and as late as Jun 7 in Edwards.

Method Start indoors, then transplant
Days to maturity 70–90 days

Slow to germinate; start indoors 6-8 weeks before last frost, transplant 1-2 weeks before last frost (biennial, cold-tolerant).

Parsley Planting Dates by City

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

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 parsley in Colorado?

In a typical Colorado location, start seeds indoors Mar 8 – Mar 22, then transplant outdoors Apr 19 – Apr 26. Across the state, the outdoor planting window starts as early as Mar 31 in Grand Junction and as late as Jun 7 in Edwards.

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 parsley take to grow?

Parsley typically take 70–90 days from planting to harvest. Slow to germinate; start indoors 6-8 weeks before last frost, transplant 1-2 weeks before last frost (biennial, cold-tolerant).

Other Crops in Colorado

When to plant parsley in other states

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