The Charlottesville year in pollen

Pollen seasons in Charlottesville: tree pollen March to June, grass May to July, and ragweed from early August until the first frost, around November 8.

First frost lands around November 8 in Charlottesville — about 4 days later than Virginia overall — which shifts when ragweed season ends here.

Tree pollen
Grass
Ragweed
Ragweed's bar ends at the typical first frost — around November 8.

When does ragweed season end in Charlottesville?

Ragweed season in Charlottesville typically ends with the first frost, around November 8. Some years it comes as early as November 3, some as late as November 15.

A light frost around November 8 knocks the season down; the hard freeze that finishes it usually follows by November 20. Based on 30 years of NOAA frost records (1991–2020).

The rest of the Charlottesville pollen year

AllergenTypical season
Oak March to May
Maple March to April
Birch March to May
Ash March to April
Pine April to June
Grass May to July

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

Nearby calendars

Frost dates for Charlottesville come from the Charlottesville 2 Sse weather station's 30-year records. Season windows reviewed August 2026.