What is an Oleander?

by Contributing Writer

Overview

If you have ever driven along freeways, or esplanade streets in the southern part of the United States in the springtime, chances are you have seen oleanders. These plants are common throughout warmer climates, and are often used in decorative hedges and accent gardens. While its blooms are lovely, there is more to the oleander than meets the eye.
What is an Oleander?

An oleander is a large flowering bush, growing approximately 8 feet high.

Origins

The oleander grows as a native evergreen shrub in many warmer climates around the Mediterranean and far southern Asia.
Climate

The oleander thrives in warm climates, which is why it is so frequently observed in the southern United States. It is also hardy and very drought-resistant.
Characteristics

The oleander bush consists of a set of multiple upright branches. The leaves are long, spear-shaped and dark green. The flowers grow in clusters of pink, red, yellow or white blooms on the end of each branch.
Poison

The oleander is one of the most poisonous plants on earth, avoided even by most animals. The sap, if ingested, can be extremely harmful both to the digestive system and the heart.