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Nerium oleander (Oleander)

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description Nerium oleander (Oleander) Overview

Nerium oleander, commonly known as oleander, is an evergreen shrub or small tree native to the Mediterranean and Asian regions. It is widely cultivated in warm climates for its drought tolerance and abundant pink, white, or red flowers. Despite its popularity in landscaping, the plant is highly toxic, with all parts containing dangerous cardiac glycosides like oleandrin. Ingestion can cause severe illness or death in humans and animals, requiring careful handling and placement away from livestock.

help Nerium oleander (Oleander) FAQ

How poisonous is the Oleander plant to humans?

The Oleander is one of the most poisonous common garden plants in the world, with every single part of the shrub being highly toxic. The leaves, stems, and flowers contain dangerous cardiac glycosides, most notably oleandrin.

Can you die from touching an Oleander plant?

While merely brushing against the plant rarely causes severe poisoning, ingesting any part of it can be fatal to humans and animals. It is highly advised to wear gloves when pruning Oleander, as the sap can cause severe skin irritation.

Can Oleander survive freezing winter temperatures?

Oleander is incredibly tolerant of heat and drought, but it struggles in harsh freezing conditions. It generally survives best in USDA hardiness zones 8 through 10, where it won't be exposed to prolonged deep freezes.

Are there any safe medicinal uses for Oleander?

Oleander's toxic compounds, specifically oleandrin, have been studied in medical research, but it is not approved for safe medicinal use due to its narrow toxic threshold. The FDA explicitly warns against using Oleander supplements because of the high risk of lethal poisoning.

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