The Gulfport year in pollen
Pollen seasons in Gulfport: tree pollen January to May, grass April to September, and ragweed from early August until the first frost, around December 3.
First frost lands around December 3 in Gulfport — about 14 days later than Mississippi overall — which shifts when ragweed season ends here.
When does ragweed season end in Gulfport?
Ragweed season in Gulfport typically ends with the first frost, around December 3. Some years it comes as early as November 25, some as late as December 16.
A light frost around December 3 knocks the season down; the hard freeze that finishes it usually follows by December 31. Based on 30 years of NOAA frost records (1991–2020).
The rest of the Gulfport 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 Gulfport come from the Gulfport - Biloxi Airport weather station's 30-year records. Season windows reviewed August 2026.