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Resistances

Birds, Deer Resistant, Drought tolerant, Gophers/Voles, Humidity tolerant, Rabbit Resistant, Salt tolerant, Squirrels

Suitable Locations

Street Tree, Xeriscapic

Soil pH Preferences

Neutral (6.6 – 7.3), Slightly acid (6.1 – 6.5), Slightly alkaline (7.4 – 7.8)

Sun Requirements

Full Sun, Full Sun to Partial Shade, Partial or Dappled Shade

Toxicity

Fruit is poisonous, Leaves are poisonous, Other: Every part of this plant is poisonous, Roots are poisonous

Uses

Windbreak or Hedge

Wildlife Attractant

Bees, Butterflies

Bloom Size

1"-2"

Containers

Not suitable for containers

Flower Color

Magenta-pink, Other: Deep, Pink

Flower Time

Late spring or early summer, Late summer or early fall, Other: Mainly summertime, Summer

Flowers

Leaves

Life cycle

Plant Habit

Plant Height

Plant Spread

Propagation: Other methods

Cuttings: Stem

Detailed Information

Oleander (Nerium oleander) in general, originates from a broad area encompassing the **Mediterranean region and parts of Asia.**

The specific cultivar ‘Calypso’ is still *Nerium oleander*, just a selected variety known for particular characteristics (like flower color, size, or growth habit). Therefore, its ultimate geographical origin is still tied to the broader native range of the species. While horticultural selection can adapt a plant’s tolerance to different conditions, it doesn’t fundamentally change its genetic origins.

Here’s a breakdown of why the Mediterranean and Asia are the key areas:

* **Mediterranean Region:** Oleander thrives in the hot, dry summers and mild, wet winters characteristic of this region. It’s commonly found along streams, riverbeds, and in other moist areas within the Mediterranean landscape.
* **Asia:** Its native range extends eastward through parts of the Middle East and into Asia, including areas of the Indian subcontinent.

While now widely cultivated worldwide, it is not native to places like North America, South America, or Australia.

Not suitable for containers

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