Marigold Safe For Cats. It’s considered safe for cats to consume calendula officinalis, also known as pot marigold, by the aspca. However, the side effects are not due to toxicity of the flowers but rather because your cat or dog ate something different.

While not all cats are affected the same, mint can trigger a wide range of side effects, and can even lead to mint poisoning—something all cat owners should be aware of. The bad news is that the french marigolds are toxic and if consumed by either cat or dog it will lead to a mild form of gastric upset. Are marigolds safe around cats?