Bradenton, Palmetto and the rest of Manatee County share the Gulf Coast pollen pattern: oak and pine in late winter and spring, Bahiagrass from spring through fall, ragweed in late summer and fall, and plenty of mold in the humid months.
Bradenton Pollen Calendar
| Month | Trees | Grasses | Weeds | Mold |
|---|---|---|---|---|
| Jan | Moderate–high (oak and cedar begin, pine) | Low–moderate (Bermuda) | Low | Low–moderate |
| Feb | High (oak, pine) | Low–moderate | Low | Low–moderate |
| Mar | Very high (oak peak, wax myrtle/bayberry, pine) | Moderate | Low | Moderate |
| Apr | Very high (oak, pine) | Moderate (Bahia starts) | Low | Moderate |
| May | Moderate–high (tapering) | High (Bahia, Bermuda) | Low–moderate | Moderate |
| Jun | Low | High (Bahia, Bermuda) | Low–moderate | High (rainy season) |
| Jul | Low | High | Low–moderate | High |
| Aug | Low | High | Moderate (ragweed begins) | High |
| Sep | Low | Moderate–high | Moderate–high (ragweed, dog fennel) | High |
| Oct | Low | Moderate | Moderate–high (ragweed) | Moderate–high |
| Nov | Low–moderate | Low–moderate | Moderate (tapering) | Moderate |
| Dec | Moderate (early oak in some years) | Low (Bermuda) | Low | Low–moderate |
Main Pollen Triggers
Trees
- Oak – among the most allergenic Florida pollens; Florida has 11 oak species, peaking February–May, sometimes from December (UF/IFAS).
- Pine – the yellow dust on cars; produced in huge amounts but rated less allergenic than oak (UF/IFAS).
- Wax myrtle (bayberry, often called “bayhops”) – a common landscape shrub with highly allergenic pollen.
- Eastern red cedar, bald cypress and Australian pine – other highly allergenic trees noted by UF/IFAS.
Grasses
- Bahiagrass – Florida’s most abundant grass and highly allergenic; common in lawns and roadsides.
- Bermudagrass – can pollinate year-round in subtropical Florida.
- Johnsongrass – another major grass allergen.
Weeds
- Ragweed – the most clinically significant weed; late summer into fall.
- Dog fennel and pigweed – other highly allergenic weeds. Goldenrod is often blamed, but its sticky pollen does not travel well on the wind (UF/IFAS).
Mold
Florida’s hot, humid wet season (roughly late spring through early fall, per NOAA climate summaries) favors outdoor mold. Mold isn’t pollen, but it triggers similar symptoms.
Local Tips
- Along the Manatee River and coastal areas like Anna Maria Island, onshore breezes can mean lower pollen than inland neighborhoods.
- Mow Bahiagrass lawns before seed heads form, and wear a mask while mowing if grass is a trigger (UF Health).
- Summer storms wash pollen out but can raise mold; keep indoor humidity in check with A/C.
- Keep windows closed and run the A/C with a good filter during high-count days (UF Health).
- Shower and change clothes after time outdoors; dry laundry in the dryer, not outside (UF/IFAS).
- Rain washes pollen out of the air, so counts often drop after a storm; hot, dry, windy days push counts up (UF Health).
- Check daily counts from an AAAAI National Allergy Bureau station or local forecast.
When to See an Allergist
ACAAI suggests seeing an allergist when symptoms last for months, interfere with sleep, work or school, aren’t controlled by over-the-counter medicines, or come with asthma symptoms such as wheezing or shortness of breath. An allergist can test which Florida pollens you react to and discuss immunotherapy. Trouble breathing or swelling of the face or throat is an emergency – see seasonal allergy emergencies.
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What actually helps
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HEPA air purifier & filters
A portable HEPA purifier sized to the room can lower airborne particles such as pollen and dust; it only works if you replace filters on schedule. (EPA: Guide to Air Cleaners in the Home)
See the Levoit Core 300 on AmazonSaline nasal rinse kit
Rinsing with saline can clear pollen from the nose; use distilled, sterile or boiled-then-cooled water, never plain tap water. (FDA: Is rinsing your sinuses with neti pots safe?)
See the NeilMed Sinus Rinse kit on AmazonDust-mite pillow & mattress covers
Allergists recommend zippered, allergen-proof encasings for pillows, mattresses and box springs, plus hot-water washing of bedding. (ACAAI: Dust Allergy)
See Hospitology zippered pillow encasements on AmazonFrequently Asked Questions
When is allergy season in Bradenton?
Expect tree pollen from about January to June with a March–April oak peak, grass pollen through summer, and ragweed from late summer into fall.
What pollen is high in Bradenton and Palmetto?
Oak, pine and wax myrtle trees, Bahia and Bermuda grasses, ragweed, and mold are the main local triggers.
Why do my allergies last almost all year in Manatee County?
Florida’s long growing season means different plants overlap, and Bermudagrass can pollinate year-round in subtropical areas (UF/IFAS).
When should I see an allergist in Bradenton?
If symptoms last for months, disrupt sleep or work, don’t respond to over-the-counter medicines, or come with wheezing, an allergist can test and treat you (ACAAI).
More Florida Guides
Related Guides
- Pollen allergies explained
- Spring allergies
- Fall allergies
- Winter allergies
- Antihistamines
- Nasal sprays
- Removing allergen triggers at home
Sources
- UF/IFAS Gardening Solutions: Pollen and Allergies
- UF/IFAS News (March 2026): Pollen season hits with full force
- UF/IFAS FR268: Urban Trees and Allergies in North Florida
- UF Health: Allergies, Asthma, and Pollen
- ACAAI: Hay Fever
- CDC: Pollen and Your Health
- AAAAI National Allergy Bureau pollen counts
- NOAA/NCICS State Climate Summary: Florida
This page is for general information only and is not medical advice. Talk with your doctor or a board-certified allergist about your symptoms and treatment.