Catnip has been listed as a poisonous plant for horses in some references. Palatability of existing plants in pastures is questionable, as in many instances, horses will avoid ingesting poisonous plants when they have adequate feeds to consume. Catnip is an aromatic herb of the mint family (Lamiaceae, or Labiatae).
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This work is supported in part by New Technologies for Agriculture Extension grant no. 2020-41595-30123 from the USDA National Institute of Food and Agriculture. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the U.S. Department of Agriculture.
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