Oleander
Nerium oleander
Identified By Unknown Guest
Oleander is a large, evergreen shrub or small tree widely grown in subtropical regions for its beautiful, showy flowers. However, every part of the plant is highly toxic if ingested.
Safety Warnings
Growth & Dimensions
Ideal Environment
Mediterranean and Subtropical Climates
Climate: Thrives in warm, sunny climates with mild winters.
Native Regions
Care Guide
Watering
Water deeply during the growing season. Once established, oleander is quite drought-tolerant, but regular watering promotes better flowering.
Sunlight
Plant in a location that receives full sun for at least 6 hours a day to encourage maximum flower production.
Soil and Fertilizer
Adapts to a wide range of soils including clay, loam, or sand, provided they are well-draining. Feed with a balanced, slow-release fertilizer in spring.
Pruning
Prune annually after flowering to shape the plant and control size. Always wear gloves and protective eyewear when pruning due to toxic sap.
Propagation Methods
Cutting
Take 15 cm stem cuttings in spring or summer. Remove lower leaves and place the cutting in water or moist potting soil until roots develop.
Common Diseases & Pests
Oleander Knot
BacterialDevelopment of galls or swollen knots on stems and branches.
Prune out infected branches well below the galls and sterilize tools between cuts.
Avoid splashing water on foliage and protect the plant from physical damage.
Aphids
PestClusters of small insects on new growth, sticky honeydew residue.
Spray with insecticidal soap or a strong jet of water.
Encourage beneficial insects like ladybugs.
Properties & Benefits
Key Nutrients / Compounds
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