Pollen
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The four biggest Central Texas pollen allergens are mountain cedar (December to February), oak (March to May), grasses (May to October), and ragweed (September to October). Cedar is the most potent. Oak drives the spring season. Grasses like Bermuda and Johnson grass dominate summer. Ragweed peaks in fall. Track real-time counts on our daily pollen count.
Mountain cedar peaks in January with high counts often appearing after cold fronts. Oak peaks late March through April. Elm has a unique winter to early spring overlap from January to March. Pecan and mesquite pollinate late spring (April to June). Grass pollen runs May through October with summer peaks. Ragweed peaks late September and early October. Patients commonly have multiple sensitivities, which is why our allergy testing identifies exactly which species drive your symptoms.
Mountain cedar (Ashe juniper) is unusually potent. About 20 percent of long-term Central Texas residents are sensitized, and the resulting cedar fever can mimic flu in severity. Oak pollen produces longer seasons but generally milder reactions per gram of pollen. Elm overlaps cedar in winter. Pecan and mesquite add late spring exposure. Read our deep dive on cedar allergy for the most detail on the regional bellwether.
Yes, and pollen allergies are among the conditions immunotherapy treats best. In our 45 plus years of treating Central Texas patients, allergy shots produce 85 to 90 percent success rates and sublingual drops produce 75 to 85 percent. The 3 to 5 year course retrains the immune system to stop reacting to specific pollens, and benefit usually persists for many years after treatment finishes. Take the immunotherapy candidacy quiz, learn more about our immunotherapy program, or schedule through new patients.
Practical measures cut exposure substantially without lifestyle overhaul. Keep windows closed and run AC during peak weeks. Shower after extended outdoor time to remove pollen from skin and hair. Mow with a dust mask. Plan outdoor activity for early morning after rain when counts are lower, or check the daily pollen count for low-count days. Use HEPA filtration in the bedroom. For patients with significant exposure (outdoor workers, ranchers), immunotherapy is usually the better long-term answer than aggressive avoidance.



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