We mention the toxicity because there are seeds of some species that contain lysergic alkaloids, which, when consumed in large quantities are toxic. The American Society for the Prevention of Cruelty to Animals lists morning glory as a plant toxic to cats and dogs. And other reputable sites list it as toxic to livestock. It’s just a good thing to be aware of.
We mention the toxicity because there are seeds of some species that contain lysergic alkaloids, which, when consumed in large quantities are toxic. The American Society for the Prevention of Cruelty to Animals lists morning glory as a plant toxic to cats and dogs. And other reputable sites list it as toxic to livestock. It’s just a good thing to be aware of.