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"Poisonous" does not mean deadly. Some manifestations of toxicity are subtle. The dose, as always, determines if a plant is safe source of nutrients or a toxic hazard.

Frequently (and not so frequently) Asked Questions

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BRIEF: Does Ragwort exist in the US or Canada?

Does Ragwort(poisonous to Equine & cattle) exist in US or canada?


Oh yes! Ragwort and many of its cousins (other Senecio species) are quite widespread in the US and have done in their share of horses and cattle, as have Amsinckia and other pyrrolizidine-containing plants.