The Jackson year in pollen
Pollen seasons in Jackson: tree pollen January to May, grass April to September, and ragweed from early August until the first frost, around November 19.
Tree pollen
Grass
Ragweed
When does ragweed season end in Jackson?
Ragweed season in Jackson typically ends with the first frost, around November 19. Some years it comes as early as November 12, some as late as November 27.
A light frost around November 19 knocks the season down; the hard freeze that finishes it usually follows by December 4. Based on 30 years of NOAA frost records (1991–2020).
The rest of the Jackson pollen year
| Allergen | Typical season |
|---|---|
| Oak | February to May |
| Pine | February to April |
| Eastern red cedar | January to March |
| Pecan | April to May |
| Grass | April to September |
Season-by-season detail is on the Mississippi page.
Nearby calendars
Frost dates for Jackson come from the Jackson Hawkins Field weather station's 30-year records. Season windows reviewed August 2026.