The delayed allergy season in the central and eastern USA is making up for lost time as tree pollen ramps up in what’s predicted to be a harsh year for allergy sufferers.

The unusually cold winter delayed the start of tree buds in the Southeast, southern Mid-Atlantic and Plains. But now, as temperatures rise, causing flowers and trees to start blooming, it could be a rough year once the pollen reaches its peak, AccuWeather meteorologist Tony Zartman said.

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