Livestock producers should be aware of small-headed sneezeweed

Helenium is a genus of annuals and deciduous herbaceous perennials in the sunflower family native to the Americas.

Flower heads of Hymenoxys hoopesii, owl’s-claws or orange sneezeweed, near Santa Fe Ski Basin, Santa Fe National Forest, Santa Fe County, New Mexico. The black and white moth is Gnophaela vermiculite. Photo owner Jerry Friedman

Sneezeweed consumption by grazing animals produces signs of illness including weakness, staggering, diarrhea, vomiting, salivation, bloating, groaning and grinding of teeth, sticky non-pelleted feces and gastroenteritis, Rector said. Poisoned animals can have forced and fast respiration and a nasal discharge.

Signs of illness will appear within a few hours after the consumption of sneezeweed, and animals may convulse prior to death, Barr said.

 

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