All flowers
Climbing Oleander Wikimedia Commons
Apocynaceae

Climbing Oleander

Strophanthus gratus

Exotic allure.

Family
Apocynaceae
Genus
Strophanthus
Native to
Tropical West Africa
Bloom season
Spring, Summer
Type
climbing shrub
Height
15-25 ft
Sunlight
full sun to part shade
Soil
rich, moist, well-drained
Water
moderate
Hardiness
10-12
Lifespan
perennial

Did you know

  • The seeds contain ouabain, a cardiac glycoside that was historically used as an arrow poison in Africa.
  • Despite the common name, it is not closely related to true oleander (Nerium) but shares the Apocynaceae family.
  • The fragrant flowers have a sweet scent reminiscent of roses and can perfume an entire garden.
  • Ouabain extracted from this plant was once used medically as a cardiac stimulant before synthetic alternatives were developed.
  • In its native habitat, it climbs through rainforest canopy trees using its scrambling woody stems.

Color meanings

0

beauty

1

caution

2

fascination

Uses

  • tropical ornamental
  • pharmaceutical history
  • fragrant garden plant