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When to plant daffodils in zone 4b

In zone 4b, where the last spring frost typically comes around May 8, plant August 20 to October 1.

The zone 4b schedule for daffodils

Plant for a fall crop
August 20 to October 1

From the median frost dates of the NOAA stations assigned to the 1,164 ZIP codes in zone 4b, and the timing recommended by Cooperative Extension guides for daffodils.

Frost risk in zone 4b

Zones are based on winter cold, not on frost dates, so the last spring frost varies a lot within a zone. Across zone 4b, the typical last frost ranges from about May 1 in the earliest tenth of ZIP codes to May 25 in the latest tenth, and the first fall frost from September 22 to October 8. For a typical place in the zone:

  • April 26Risky: a later frost happens in 9 years out of 10
  • May 8Typical: frost after this date in half of years
  • May 22Safe: a later frost only 1 year in 10

Your dates for daffodils

Set your ZIP code at the top of the page and we will work out when to plant daffodils 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

Daffodils in zone 4b cities

CityTypical last frostPlantFall
Rochester, MNApr 30—Aug 25 to Oct 6
Duluth, MNMay 6—Aug 28 to Oct 9
Lakeville, MNMay 2—Aug 24 to Oct 5
St. Cloud, MNMay 7—Aug 19 to Sep 30
Eau Claire, WIMay 8—Aug 23 to Oct 4
Great Falls, MTMay 19—Aug 13 to Sep 24

How to grow daffodilsAll zonesDaffodils in zone 4aDaffodils in zone 5aAbout zone 4b

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