10 Plants You Should Avoid Keeping at Home


Known for its striking appearance and delicate flowers, oleander harbors a deadly secret. All parts of this plant contain toxic compounds known as cardiac glycosides, which can cause severe poisoning if ingested.


With its large, patterned leaves, Dieffenbachia adds a tropical flair to indoor spaces. However, beware of its sap, which contains oxalate crystals that can cause intense burning and swelling if it comes into contact with skin or mucous membranes.

Dumb Cane 

Another member of the Dieffenbachia family, this plant earned its common name for good reason. Ingesting any part of the Dumb Cane can lead to temporary loss of speech due to swelling and irritation of the mouth and throat.

Castor Bean

While prized for its ornamental value and the production of castor oil, the castor bean plant contains ricin, a highly toxic protein. Even a small amount of ingested ricin can be lethal, making this plant best admired from a distance.


Also known as Jimsonweed or Devil's Trumpet, Datura boasts beautiful trumpet-shaped flowers and a rich history in folklore and medicine. However, its seeds and flowers contain potent hallucinogenic compounds that can cause delirium, seizures, and even death if consumed.


From the striking Euphorbia trigona to the popular Christmas poinsettia, plants in the Euphorbia genus are beloved for their unique shapes and vibrant colors. Yet, many species produce a milky sap that can cause skin irritation and even severe allergic reactions in some individuals.


With its heart-shaped leaves and easy care requirements, Philodendron is a staple in many homes. However, certain species contain calcium oxalate crystals that, when ingested, can cause irritation and swelling of the mouth, throat, and digestive tract.


Revered for its towering spires of bell-shaped flowers, Foxglove contains cardiac glycosides similar to those found in oleander. While its beauty is undeniable, ingestion can lead to potentially fatal heart irregularities.

Lily of the Valley

Fragrant and delicate, Lily of the Valley is a popular choice for weddings and bouquets. However, all parts of this plant contain cardiac glycosides, which can cause nausea, vomiting, and heart disturbances if ingested.

Despite its palm-like appearance, the Sago Palm is not a true palm and belongs to the Cycad family. Its seeds contain cycasin, a neurotoxin that can cause severe liver damage and even death if ingested by humans or pets.

Sago Palm