Growing Calendar

MenuClose

HomeAboutSearch

When to plant cilantro in zone 6a

In zone 6a, where the last spring frost typically comes around April 29, start cilantro indoors March 18 to April 1 and plant out April 29 to May 6.

The zone 6a schedule for cilantro

Start seeds indoors
March 18 to April 1
Plant out
April 29 to May 6
Sow outdoors
April 1 to May 6

From the median frost dates of the NOAA stations assigned to the 4,514 ZIP codes in zone 6a, and the timing recommended by Cooperative Extension guides for cilantro.

Frost risk in zone 6a

Zones are based on winter cold, not on frost dates, so the last spring frost varies a lot within a zone. Across zone 6a, the typical last frost ranges from about April 16 in the earliest tenth of ZIP codes to May 11 in the latest tenth, and the first fall frost from October 4 to October 24. For a typical place in the zone:

  • April 16Risky: a later frost happens in 9 years out of 10
  • April 29Typical: frost after this date in half of years
  • May 14Safe: a later frost only 1 year in 10

Your dates for cilantro

Set your ZIP code at the top of the page and we will work out when to plant cilantro where you live, from the frost records of the nearest NOAA weather station. Your ZIP code is remembered on this device only.

Enter your ZIP code

Cilantro in zone 6a cities

CityTypical last frostStart indoorsPlant out
Chicago, ILApr 11Feb 28 to Mar 14Apr 11 to 18
Indianapolis city, INApr 15Mar 4 to 18Apr 15 to 22
Denver, COMay 4Mar 23 to Apr 6May 4 to 11
Colorado Springs, COMay 3Mar 22 to Apr 5May 3 to 10
Omaha, NEApr 18Mar 7 to 21Apr 18 to 25
Aurora, COMay 4Mar 23 to Apr 6May 4 to 11
Lincoln, NEApr 24Mar 13 to 27Apr 24 to May 1
Fort Wayne, INApr 24Mar 13 to 27Apr 24 to May 1
Grand Rapids, MIApr 29Mar 18 to Apr 1Apr 29 to May 6
Lakewood, COMay 5Mar 24 to Apr 7May 5 to 12
Springfield, MAMay 3Mar 22 to Apr 5May 3 to 10
Joliet, ILApr 19Mar 8 to 22Apr 19 to 26

How to grow cilantroAll zonesCilantro in zone 5bCilantro in zone 6bAbout zone 6a

Sources