Nerium oleander
Light: Full sun for best flowering; tolerates light shade.
Water: Drought tolerant once established. Water deeply, then let the upper several inches of soil dry. Provide supplemental summer irrigation for fuller growth and better flowering; water newly planted shrubs more frequently.
Soil: Well-drained soil; tolerates sandy, loamy, and alkaline desert soils. Avoid persistently wet or poorly drained locations.
Mature size: Typically 3–6 feet tall and wide, depending on irrigation, pruning, and growing conditions.
Bloom: Flowers from late spring through fall, with repeat bloom cycles during warm weather.
Evergreen / deciduous: Evergreen; foliage and tender stems may suffer damage during hard freezes.
Growth rate: Moderate to fast with adequate warmth and irrigation.