Compare

Tomato vs. Black Nightshade: which is safe for cats and dogs?

Tomato and Black Nightshade are frequently compared because both belong to the Solanum genus, a group known for producing solanine alkaloids. It is important for pet owners to understand that both plants are potentially toxic to cats and dogs. While the risks associated with the foliage of a Tomato plant are well-documented for home gardeners, Black Nightshade poses similar dangers due to its concentrated toxic compounds. Ingesting any part of either plant can lead to significant gastrointestinal and systemic distress in your pets. Because both species carry a risk of poisoning, it is best to keep them strictly out of reach of your animals.

Tomato

Solanum lycopersicum

The tomato plant is a popular garden vegetable that contains solanine, a glycoalkaloid found in its stems and leaves. While the fruit is generally consumed by humans, the green parts of the plant can cause adverse reactions if ingested by pets.

cat

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Watch for

Hypersalivation, gastrointestinal upset, diarrhea, vomiting, and potential lethargy.

dog

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Watch for

Vomiting, diarrhea, abdominal pain, drowsiness, and in severe cases, changes in heart rate or coordination.

Full Tomato reference →

Black Nightshade

Solanum nigrum

Black Nightshade is an herbaceous plant in the Solanaceae family containing solanine alkaloids that are harmful if ingested. It is widely considered a weed and is not typically cultivated as an indoor houseplant.

cat

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Watch for

Drooling, vomiting, diarrhea, lethargy, dilated pupils, and in severe cases, tremors or cardiac arrhythmias.

dog

Potentially toxic

Consulted references classify the plant as toxic or irritating for that pet type.

Watch for

Gastrointestinal upset including vomiting and diarrhea, hypersalivation, weakness, and potential neurological signs like incoordination.

Full Black Nightshade reference →