The Dodge City year in pollen

Pollen seasons in Dodge City: tree pollen February to May, grass May to August, and ragweed from early August until the first frost, around October 20.

Tree pollen
Grass
Ragweed
Ragweed's bar ends at the typical first frost — around October 20.

When does ragweed season end in Dodge City?

Ragweed season in Dodge City typically ends with the first frost, around October 20. Some years it comes as early as October 14, some as late as October 25.

A light frost around October 20 knocks the season down; the hard freeze that finishes it usually follows by October 28. Based on 30 years of NOAA frost records (1991–2020).

The rest of the Dodge City pollen year

AllergenTypical season
Eastern red cedar February to April
Elm February to April
Maple March to April
Oak April to May
Cottonwood April to May
Grass May to August

Season-by-season detail is on the Kansas page.

Nearby calendars

Frost dates for Dodge City come from the Dodge City weather station's 30-year records. Season windows reviewed August 2026.