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Oleander

Nerium oleander

shrub

Oleander is a robust evergreen shrub prized for its vibrant flowers in pink, red, white, or yellow that bloom throughout warm months. It thrives in hot, dry conditions and is drought-tolerant once established, making it ideal for Mediterranean and subtropical gardens. All parts of the plant are highly toxic and should be handled with caution.

Oleander

Common Problems

Select the problem your Oleander is experiencing to get a treatment guide.

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Yellow Leaveschevron_right
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Brown Tipschevron_right
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Slow Growthchevron_right
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Dropping Leaveschevron_right

Care Guide

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Light
Full sun (6–8 hours daily); blooms best with intense light
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Water
Water moderately during growing season; drought-tolerant once established; reduce in winter
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Soil
Well-draining sandy or loamy soil; tolerates poor soil quality
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Fertiliser
Light feeding in spring and early summer; balanced or low-nitrogen fertilizer
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Temperature
Prefers warm conditions (65–90°F); tender below 50°F
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Humidity
Low to moderate humidity; drought-tolerant and dislikes excessive moisture

Toxicity

dangerousToxic to CatsdangerousToxic to DogsdangerousToxic to Children

All plant parts contain cardiac glycosides; ingestion can cause severe gastrointestinal upset, cardiac arrhythmias, and potentially death. Wear gloves when handling.

Common Diseases

coronavirusLeaf Spotchevron_rightcoronavirusRoot Rotchevron_rightcoronavirusSooty Mouldchevron_right

Common Pests

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Seasonal Care

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Resume regular watering and feeding as growth picks up.

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Peak growing season. Water and feed regularly.

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Reduce watering as growth slows. Stop heavy feeding.

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Minimal watering and feeding. Protect from frost if needed.