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Larkspur
dog unknown
Severity not yet documented — when in doubt, call your vet or animal poison control.
cat unknown
Severity not yet documented — when in doubt, call your vet or animal poison control.
horse unknown
Severity not yet documented — when in doubt, call your vet or animal poison control.
- Clinical Signs
- Unless there is a lack of suitable forage, horses typically do not consume toxic amounts of larkspur. The toxicity of the plant may vary depending on seasonal changes and field conditions; as the plant matures, it generally becomes less toxic. The alkaloids in the plant cause neuromuscular paralysis; clinical effects include constipation, colic, increased salivation, muscle tremors, stiffness, weakness, recumbency, and convulsions. Cardiac failure may occur, as can death from respiratory paralysis.
- Family
- Ranunculaceae
- Scientific Name
- Delphinium species
- Toxic Principles
- Diterpene alkaloids
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Source: ASPCA Toxic and Non-Toxic Plants list (dogs), scraped 2026-07-14 from https://www.aspca.org/pet-care/animal-poison-control/dogs-plant-list · view original