FrostCal

When to Plant Cilantro in Idaho

In a typical Idaho location, sow outdoors Apr 9 – Apr 23. Across the state, the outdoor planting window starts as early as Mar 16 in Lewiston and as late as Apr 26 in Eagle. For a fall crop, plant around Aug 19 – Sep 2. 2 cities in Idaho are essentially frost-free and can plant on a year-round schedule.

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
BoiseApr 3 – Apr 17Aug 26 – Sep 9
MeridianApr 3 – Apr 17Aug 26 – Sep 9
NampaApr 8 – Apr 22Aug 18 – Sep 1
Idaho FallsApr 18 – May 2Aug 6 – Aug 20
PocatelloApr 11 – Apr 25Aug 16 – Aug 30
CaldwellApr 2 – Apr 16Aug 23 – Sep 6
Coeur d'AleneApr 1 – Apr 15Aug 23 – Sep 6
Twin FallsApr 9 – Apr 23Aug 14 – Aug 28
LewistonMar 16 – Mar 30Aug 31 – Sep 14
Lewiston OrchardsMar 16 – Mar 30Aug 31 – Sep 14
Post FallsApr 1 – Apr 15Aug 23 – Sep 6
RexburgApr 24 – May 8Jul 29 – Aug 12
MoscowFrost-free: year-round planting
EagleApr 26 – May 10Aug 17 – Aug 31
CondaFrost-free: year-round planting
KunaApr 3 – Apr 17Aug 26 – Sep 9
AmmonApr 18 – May 2Aug 6 – Aug 20
ChubbuckApr 11 – Apr 25Aug 16 – Aug 30
HaydenApr 1 – Apr 15Aug 23 – Sep 6
Mountain HomeApr 11 – Apr 25Aug 13 – Aug 27
BlackfootApr 14 – Apr 28Aug 8 – Aug 22
Garden CityApr 3 – Apr 17Aug 26 – Sep 9
JeromeApr 11 – Apr 25Aug 19 – Sep 2
BurleyApr 16 – Apr 30Aug 9 – Aug 23

Showing the 24 most populous of 24 Idaho cities. Dates are estimates from each city's NOAA frost normals and university extension timing guidelines. See all Idaho cities.

Frequently Asked Questions

When should I plant cilantro in Idaho?

In a typical Idaho location, sow outdoors Apr 9 – Apr 23. Across the state, the outdoor planting window starts as early as Mar 16 in Lewiston and as late as Apr 26 in Eagle. For a fall crop, plant around Aug 19 – Sep 2. 2 cities in Idaho are essentially frost-free and can plant on a year-round schedule.

When is the last frost in Idaho?

The average last spring frost in Idaho ranges from April 6 in Lewiston to May 17 in Eagle, 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 Idaho

When to plant cilantro in other states

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