Oleander
TreeOleander
TreeThis evergreen plant can be trained as a tree or left as a shrub and grows from three feet to 15 to 20 feet and up to eight feet wide. Growth rate varies from moderate to fast depending on conditions and plant type.
Plants revel in heat. Damaged by cold below 20F, severely at 10F. Recover rapidly in spring.
Tolerates any irrigation but best with moderate.
Full to reflected sun. Tolerates part shade, but may be poor or leggy and have few flowers.
Tolerant of wide range including heavy, poor and alkaline.
Usually periodic depending on use. Continual if in tree form to remove sucker growth.
All parts of plant are poisonous. Lots of sucker growth. Aggressive root system. Difficult to grow anything near it. Becomes chlorotic with too much water.
BloomLush blooms that range in color from white to pink to salmon to deep red. Blooms so long as it is warm with heaviest bloom in mid- to late spring. Flowers may be single or double.
UsesNice patio tree/shrub. Unclipped hedges, screens and borders. Effective along roads or drives, at property edges or as background plantings. Yield fewer flower when clipped.
Member of the Apycynaceae family.
'Sister Agnes' has white flowers and is the largest. 'Hawaii' grows to six feet with double salmon pink flowers. 'Casablanca' and 'Algiers' (both from North Africa) are medium growers with white and red flowers, respectively. Most common are 'Petite Pink' and 'Petite Salmon' - the salmon variety tends to freeze in the middle zone.
Desert Transitional, Formal, Pool Area.