is fennel toxic to cats
Fennel is listed as toxic by the ASPCA. Symptoms of toxicity include vomiting, diarrhea and allergic type reactions such as hives or facial swelling and difficulty breathing.I wasn't able to find a toxic amount. I wouldn't chance feeding either plant to my pets, even in small amounts.ymptoms of toxicity include vomiting, diarrhea and allergic type reactions such as hives or facial swelling and difficulty breathing. I wasn't able to find a toxic amount. I wouldn't chance feeding either plant to my pets, even in small amounts.