Growing Calendar

MenuClose

HomeAboutSearch

When to plant cilantro in zone 4a

In zone 4a, where the last spring frost typically comes around May 13, start cilantro indoors April 1 to 15 and plant out May 13 to 20.

The zone 4a schedule for cilantro

Start seeds indoors
April 1 to 15
Plant out
May 13 to 20
Sow outdoors
April 15 to May 20

From the median frost dates of the NOAA stations assigned to the 739 ZIP codes in zone 4a, and the timing recommended by Cooperative Extension guides for cilantro.

Frost risk in zone 4a

Zones are based on winter cold, not on frost dates, so the last spring frost varies a lot within a zone. Across zone 4a, the typical last frost ranges from about May 6 in the earliest tenth of ZIP codes to May 24 in the latest tenth, and the first fall frost from September 20 to October 3. For a typical place in the zone:

  • April 30Risky: a later frost happens in 9 years out of 10
  • May 13Typical: frost after this date in half of years
  • May 27Safe: 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 4a cities

CityTypical last frostStart indoorsPlant out
Fargo, NDMay 10Mar 29 to Apr 12May 10 to 17
Bismarck, NDMay 14Apr 2 to 16May 14 to 21
Grand Forks, NDMay 10Mar 29 to Apr 12May 10 to 17

How to grow cilantroAll zonesCilantro in zone 3bCilantro in zone 4bAbout zone 4a

Sources