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Notwithstanding its common name, this plant doesn't cause sneezing or hay fever during the autumn – its pollen is distributed by insects, rather than the wind. Common Sneezeweed blooms quite late in the year, providing some fall color when other plants have finished blooming. A similar species, Helenium flexuosum (Purple-Headed Sneezeweed), differs from Common Sneezeweed by having disk florets that are purple, rather than yellow, and its foliage is more soft-hairy. This latter species is native to southern Illinois. Return