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When to plant cilantro in zone 9b

In zone 9b, where the last spring frost typically comes around January 31, start cilantro indoors December 20 to January 3 and plant out January 31 to February 7.

The zone 9b schedule for cilantro

Start seeds indoors
December 20 to January 3
Plant out
January 31 to February 7
Sow outdoors
January 3 to February 7

From the median frost dates of the NOAA stations assigned to the 1,459 ZIP codes in zone 9b, and the timing recommended by Cooperative Extension guides for cilantro.

Frost risk in zone 9b

Zones are based on winter cold, not on frost dates, so the last spring frost varies a lot within a zone. Across zone 9b, the typical last frost ranges from about January 12 in the earliest tenth of ZIP codes to March 1 in the latest tenth, and the first fall frost from January 8 to December 28. For a typical place in the zone:

  • December 18Risky: a later frost happens in 9 years out of 10
  • January 31Typical: frost after this date in half of years
  • March 1Safe: 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 9b cities

CityTypical last frostStart indoorsPlant out
Houston, TXJan 30Dec 19 to Jan 2Jan 30 to Feb 6
Jacksonville, FLFeb 1Dec 21 to Jan 4Feb 1 to 8
San Jose, CAJan 12Dec 1 to 15Jan 12 to 19
Fresno, CAJan 14Dec 3 to 17Jan 14 to 21
Sacramento, CAJan 12Dec 1 to 15Jan 12 to 19
Bakersfield, CAJan 17Dec 6 to 20Jan 17 to 24
New Orleans, LAJan 24Dec 13 to 27Jan 24 to 31
Henderson, NVJan 20Dec 9 to 23Jan 20 to 27

How to grow cilantroAll zonesCilantro in zone 9aAbout zone 9b

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