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When to plant cilantro in zone 9a

In zone 9a, where the last spring frost typically comes around March 2, start cilantro indoors January 19 to February 2 and plant out March 2 to 9.

The zone 9a schedule for cilantro

Start seeds indoors
January 19 to February 2
Plant out
March 2 to 9
Sow outdoors
February 2 to March 9

From the median frost dates of the NOAA stations assigned to the 1,736 ZIP codes in zone 9a, and the timing recommended by Cooperative Extension guides for cilantro.

Frost risk in zone 9a

Zones are based on winter cold, not on frost dates, so the last spring frost varies a lot within a zone. Across zone 9a, the typical last frost ranges from about February 13 in the earliest tenth of ZIP codes to March 21 in the latest tenth, and the first fall frost from November 14 to December 9. For a typical place in the zone:

  • February 4Risky: a later frost happens in 9 years out of 10
  • March 2Typical: frost after this date in half of years
  • March 25Safe: 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 9a cities

CityTypical last frostStart indoorsPlant out
Austin, TXFeb 20Jan 9 to 23Feb 20 to 27
Seattle, WAMar 8Jan 25 to Feb 8Mar 8 to 15
Portland, ORMar 13Jan 30 to Feb 13Mar 13 to 20
Tucson, AZFeb 5Dec 25 to Jan 8Feb 5 to 12
North Las Vegas, NVJan 20Dec 9 to 23Jan 20 to 27
Baton Rouge, LAFeb 25Jan 14 to 28Feb 25 to Mar 4
Tallahassee, FLMar 11Jan 28 to Feb 11Mar 11 to 18
Mobile, ALFeb 21Jan 10 to 24Feb 21 to 28
Palmdale, CAMar 10Jan 27 to Feb 10Mar 10 to 17
Charleston, SCFeb 4Dec 24 to Jan 7Feb 4 to 11
Savannah, GAMar 2Jan 19 to Feb 2Mar 2 to 9
Gainesville, FLMar 3Jan 20 to Feb 3Mar 3 to 10

How to grow cilantroAll zonesCilantro in zone 8bCilantro in zone 9bAbout zone 9a

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