Is oleander safe for pets?

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

Can I plant it near a vegetable garden?

It is best to keep it away to avoid any risk of accidental ingestion or cross contamination.

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

Oleander is a stunning, evergreen shrub known for its vibrant, long lasting blooms. It thrives in warm climates and is quite drought tolerant once established. Please handle with care, as every part of this plant is highly toxic if ingested.

At a glance

Care level: Easy
Plant type: Evergreen shrub
Light: Full sun
Indoor light: direct
Water: Every 7 to 14 days
Mature size: 3 to 6 meters
Growth rate: fast
Hardiness: USDA 8 to 10
Bloom time: Late spring to early autumn

Care

Provide plenty of direct sunlight and well draining soil to keep your plant happy. Watch for yellowing leaves or stunted growth, which may indicate poor drainage or nutrient deficiency. Always wear gloves when pruning to avoid contact with the toxic sap.

Watering: Water deeply but allow the soil to dry out between sessions.
Feeding: Apply a balanced fertilizer during the active growing season.
Pruning: Prune after flowering to maintain shape and encourage bushier growth.
Repotting: Repot when the plant becomes root bound in its container.
Soil: Well draining, loamy soil
Soil pH: 6.0 to 8.0
Temperature: -7 to 40°C
Humidity: 20 to 50%
Drought tolerance: high
Lifespan: Perennial, typically 20 to 50 years.
Fragrance: light
Deer and rabbits: high

Signs it needs repotting

Roots growing out of the drainage holes.
Water running straight through the pot without soaking in.
Stunted growth despite regular care.

Safety

People: The plant contains cardiac glycosides that are dangerous to humans and pets if consumed.
Pets: This plant is extremely toxic to cats and dogs if ingested.
Children: Keep this plant away from children as even a small amount of leaf ingestion can be fatal.
Contact allergens: The milky sap can cause significant skin irritation or dermatitis upon contact.
Airborne allergens: The smoke from burning oleander wood is toxic and can cause respiratory distress.
Edibility: All parts of this plant are highly toxic if ingested and can cause severe cardiac distress or death.

How to identify it

Narrow, leathery, lance shaped dark green leaves
Clusters of showy, five petaled flowers
Upright, multi stemmed woody growth habit
Milky sap present in stems and leaves

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

Common problems

Oleander aphid — These bright yellow insects cluster on new growth and secrete sticky honeydew.
Oleander leaf scorch — A bacterial infection that causes leaves to yellow and die back from the tips.

Growing it

Propagation: cuttings
When to plant: spring, autumn
Overwintering: Move containers indoors before the first frost. In the ground, provide a thick layer of mulch around the base to protect roots in colder climates.
In containers: It grows well in large containers, provided the pot is at least 15 to 20 gallons to accommodate its root system.

Stem cuttings

Take a 6 inch cutting from a non flowering stem.
Remove the lower leaves.
Place the cutting in a jar of water or moist potting mix.
Keep in bright, indirect light until roots form.
Transplant into a permanent pot once roots are established.

Pair this shrub with other Mediterranean plants that thrive in full sun and require minimal supplemental irrigation.

Grows well with

Lavender — Both plants enjoy similar dry, sunny conditions and well drained soil.
Rosemary — They share a high tolerance for heat and low water requirements.

Similar species

Desert Rose — It shares a similar toxic nature and succulent growth habit.

Science

Family: Apocynaceae
Genus: Nerium
Order: Gentianales
Class: Magnoliopsida
Native range: Mediterranean basin and parts of Asia.
Conservation: Not of conservation concern, though it is considered an invasive weed in some regions.

It naturally grows along riverbeds and in dry, rocky areas where it can access deep groundwater.

Value to wildlife: nectar source
Pollinators: bees, butterflies, moths
Uses: ornamental shrub, privacy screen, drought tolerant landscaping

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 5/9
Soil reaction: 6/9
Light: 8/9
Temperature: 7/9
Moisture: 3/9
Nutrients: 3/9

Taxonomy resolved against GBIF.

Questions people ask

Is oleander safe for pets?: No, it is highly toxic to dogs, cats, and horses.
Can I plant it near a vegetable garden?: It is best to keep it away to avoid any risk of accidental ingestion or cross contamination.

Where the name comes from

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

Good to know

Oleander is extremely drought tolerant once established.
It thrives in poor soil conditions where other plants struggle.
The plant has been used in literature as a symbol of danger hidden in beauty.
It is salt tolerant, making it a common sight in coastal gardens.

Is your oleander looking unwell?

This page is a general guide. Pocket Botanist diagnoses problems from a photo of your actual plant, works out watering for your light and conditions, and reminds you when care is due.

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