Garland, TX Pollen Levels Today

Garland, TX, sits within the North Texas allergy belt, where a humid subtropical climate and mild winters fuel a long, intense pollen season that often stretches across most of the year.

The cycle begins in winter and early spring with the region's infamous "cedar fever," driven by mountain cedar (Ashe juniper) pollen drifting in from the Hill Country between December and February. As spring progresses, tree pollen from oak, elm, ash, pecan, mulberry, and cottonwood dominates from March through May, with oak typically producing the heaviest counts.

Grass pollen follows and overlaps, peaking from late April through early fall, led by Bermuda, Johnson, Timothy, and Kentucky bluegrass — all thriving in the North Texas heat. By late summer into fall, weed pollen takes over, with ragweed as the primary culprit from August through November, joined by pigweed, lamb's quarters, and sagebrush. Overlap between grass and weed seasons in late summer often intensifies symptoms.

Beyond pollen, Garland residents also contend with year-round mold spores fueled by humidity and sudden storms, airborne dust from dry spells and regional winds, and urban pollution from the DFW metroplex.

Overall, Garland's allergy profile is defined by its long duration, high pollen diversity, and frequent seasonal overlap.