The Midland year in pollen
Pollen seasons in Midland: tree pollen February to June, grass April to October, and ragweed from early August until the first frost, around November 14.
Midland's pollen year runs on a different clock than most of Texas — the seasons below follow Midland's own climate, not the statewide picture.
When does ragweed season end in Midland?
Ragweed season in Midland typically ends with the first frost, around November 14. Some years it comes as early as November 8, some as late as November 20.
A light frost around November 14 knocks the season down; the hard freeze that finishes it usually follows by November 24. Based on 30 years of NOAA frost records (1991–2020).
The rest of the Midland 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 Midland come from the Midland Odessa weather station's 30-year records. Season windows reviewed August 2026.