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Fetterbush vs. Maleberry: which is safe for cats and dogs?

Fetterbush and Maleberry are frequently compared because they both share the common-name alias staggerbush, leading to confusion for pet owners trying to identify these shrubs. Both plants belong to the genus Lyonia and contain grayanotoxins, making them both potentially toxic to cats and dogs. Ingesting any part of either plant can lead to serious systemic illness, including cardiac distress and significant gastrointestinal upset. Because both varieties pose a genuine health risk to your animals, it is best to keep them out of reach or avoid planting them in areas accessible to your pets. If you suspect your cat or dog has ingested either plant, seek immediate veterinary attention.

Fetterbush — (c) Bob Peterson, some rights reserved (CC BY)i

Fetterbush

Lyonia spp.

Fetterbush is a genus of evergreen shrubs in the heath family that contains grayanotoxins, which are harmful if ingested by pets. These plants are typically found in woodland or wetland environments and are not commonly kept as indoor houseplants.

cat

Potentially toxic

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

Watch for

Vomiting, diarrhea, excessive drooling, weakness, and potential cardiac irregularities.

dog

Potentially toxic

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

Watch for

Vomiting, diarrhea, abdominal pain, lethargy, and potential tremors or cardiac distress.

Full Fetterbush reference →
Maleberry — (c) Bob Peterson, some rights reserved (CC BY)i

Maleberry

Lyonia sp.

Maleberry is a deciduous shrub in the heath family known for its clusters of small, bell-shaped flowers. It contains grayanotoxins, which can cause significant illness if ingested by pets.

cat

Potentially toxic

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

Watch for

Drooling, vomiting, diarrhea, weakness, and potential cardiac arrhythmias.

dog

Potentially toxic

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

Watch for

Excessive salivation, vomiting, abdominal pain, lethargy, and difficulty breathing.

Full Maleberry reference →