Is oleander safe for pets?

No, it is highly toxic to dogs, cats, and horses.

Can I grow oleander in a pot?

Yes, it thrives in containers and can be moved indoors in colder climates.

Plant guide

Oleander.

Nerium oleander

Pronounced NEER-ee-um oh-lee-AN-der

Also known as Ceylone Rose, Ceylonrose, Ceylons Rose, Dog-Bane, Double Oleander, Oleander, Rose Laurel, Rosebay

Nerium oleander — Photo by Raúl A. Ruiz M. (CC BY) via gbif

Oleander is a stunning evergreen shrub known for its beautiful, long blooming flowers. It thrives in warm climates and is quite resilient once established. Just keep in mind that it is a very toxic plant, so handle it with care.

Another photo of Oleander — Photo by zebedeugalinha (CC BY) via iNaturalist

At a glance

Care level: Easy
Plant type: Evergreen shrub
Light: Full sun
Indoor light: Direct sun
Water: Every 7 to 14 days
Mature size: 10 to 20 feet
Growth rate: Fast
Hardiness: USDA 8 to 10
Bloom time: Late spring to early autumn

Care

Plant your oleander in a spot that gets plenty of sun to keep it blooming well. Watch for yellowing leaves or drooping, which might mean it needs more water or has a pest issue. Always wear gloves when pruning to avoid skin irritation from the sap.

Watering: Water deeply once the top few inches of soil have dried out.
Feeding: Apply a balanced fertilizer during the active growing season.
Pruning: Prune back after flowering to maintain shape and encourage bushier growth.
Repotting: Repot only when the roots have filled the current container.
Soil: Well draining loamy soil
Soil pH: 6.0 to 8.0
Temperature: -7 to 40°C
Humidity: 30 to 70%
Drought tolerance: High
Lifespan: Perennial, can live for many decades.
Fragrance: Light
Deer and rabbits: High

Signs it needs repotting

Roots growing out of the drainage holes
Water running straight through the pot
Stunted growth during the active season

Safety

People: All parts of the plant are toxic, and contact with the sap can cause skin irritation.
Pets: This plant is highly toxic to cats and dogs if ingested and can cause severe illness.
Children: Keep this plant away from children as ingestion of even a small amount of leaves or flowers can cause serious illness.
Contact allergens: The milky sap can cause dermatitis or severe skin irritation upon contact.
Airborne allergens: The pollen is generally not considered a major allergen.
Edibility: Every part of this plant is highly toxic if ingested and can be fatal to humans and animals.

How to identify it

Leathery lance shaped evergreen leaves
Clusters of showy five petaled flowers
Upright woody stems with grey bark
Narrow leaves arranged in whorls

Height: 2 to 6m
Spread: 1.5 to 4m
Leaves: dark green, gray green, evergreen
Flowers: pink, white, red, yellow, salmon, 3 to 8cm

Problems to watch for

AphidsCommon
Oleander Leaf ScorchCommon
MealybugsUncommon
Root RotUncommon
Scale InsectsUncommon
Sooty MoldUncommon

By symptom

Plant problems by symptom

Check your oleander from a photo

Pocket Botanist looks at a photo of your plant and tells you what's wrong and what to try first.

Growing it

Propagation: cuttings, seed
When to plant: spring, early autumn
Overwintering: In cold regions, bring containers indoors to a bright, cool location before the first frost. Reduce watering significantly during the winter months.
In containers: It grows very well in large pots, requiring at least a 15 liter container to support mature growth.

Stem Cuttings

Take a 15 cm cutting from a non flowering stem in summer.
Remove the lower leaves and place the stem in a jar of water or moist potting mix.
Keep in a warm, bright spot until roots appear.
Transplant into a pot once the root system is established.

Pair with other Mediterranean shrubs that appreciate low water and high sun exposure.

Grows well with

Lavender · They share similar requirements for full sun and well draining soil.
Rosemary · Both plants are drought tolerant and thrive in Mediterranean style gardens.

Similar species

Desert Rose · Shares similar toxicity and succulent like foliage characteristics.

Science

Family: Apocynaceae
Genus: Nerium
Order: Gentianales
Class: Magnoliopsida
Native range: Mediterranean basin and parts of Asia.
Conservation: Not of conservation concern.

It is a hardy survivor that thrives in poor soils and dry, sunny conditions where other plants struggle.

Value to wildlife: nectar source
Pollinators: bees, butterflies, moths
Uses: ornamental shrub, privacy hedge, container plant, xeriscaping

Through the year

JFMAMJJASOND

Flowering

Fruiting

Foliage

Ecological indicators

Soil reaction: 6/9
Light: 8/9
Temperature: 7/9
Moisture: 3/9
Nutrients: 3/9
Salinity: 7/9

Taxonomy resolved against GBIF.

Questions people ask

Is oleander safe for pets?: No, it is highly toxic to dogs, cats, and horses.
Can I grow oleander in a pot?: Yes, it thrives in containers and can be moved indoors in colder climates.

Where the name comes from

The name Nerium comes from the Greek word for water, referring to its native habitat near streams, while oleander is a medieval Latin name.

Good to know

Oleander is extremely drought tolerant once established.
It is often planted along highways because it resists salt spray and pollution.
The plant has been used in landscaping for thousands of years in Mediterranean regions.

Also in

Keep your oleander growing

This page is a general guide. Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked.

Get the app

This guide was generated with AI on September 24, 2026 and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.