The Asheville year in pollen
Pollen seasons in Asheville: tree pollen January to May, grass April to September, and ragweed from early August until the first frost, around October 31.
First frost lands around October 31 in Asheville — about 4 days earlier than North Carolina overall — which shifts when ragweed season ends here.
When does ragweed season end in Asheville?
Ragweed season in Asheville typically ends with the first frost, around October 31. Some years it comes as early as October 26, some as late as November 4.
A light frost around October 31 knocks the season down; the hard freeze that finishes it usually follows by November 10. Based on 30 years of NOAA frost records (1991–2020).
The rest of the Asheville pollen year
| Allergen | Typical season |
|---|---|
| Oak | March to May |
| Pine | March to May |
| Eastern red cedar | January to March |
| Maple | February to April |
| Birch | March to April |
| Hickory | April to May |
| Grass | April to September |
Season-by-season detail is on the North Carolina page.
Nearby calendars
Frost dates for Asheville come from the Asheville weather station's 30-year records. Season windows reviewed August 2026.