The El Paso year in pollen
Pollen seasons in El Paso: tree pollen February to June, grass April to October, and ragweed from early August until the first frost, around November 20.
El Paso's pollen year runs on a different clock than most of Texas — the seasons below follow El Paso's own climate, not the statewide picture.
When does ragweed season end in El Paso?
Ragweed season in El Paso typically ends with the first frost, around November 20. Some years it comes as early as November 14, some as late as November 25.
A light frost around November 20 knocks the season down; the hard freeze that finishes it usually follows by December 1. Based on 30 years of NOAA frost records (1991–2020).
The rest of the El Paso pollen year
| Allergen | Typical season |
|---|---|
| Juniper | February to April |
| Mulberry | February to April |
| Ash | February to April |
| Olive | April to May |
| Mesquite | April to June |
| Grass | April to October |
Season-by-season detail is on the Texas page.
Nearby calendars
Frost dates for El Paso come from the El Paso International Airport weather station's 30-year records. Season windows reviewed August 2026.