
#310 most planted
Nerium oleander
Oleander · also Rosebay
BroadleafEvergreen
3,903
trees mapped
0.04%
of all named trees
8
cities
7.5 in
median trunk (19 cm, 3,746 measured)
35 yr
median age (71% have a planting date)
Report an issue with this species
Nerium oleander is a hardy evergreen shrub or small tree, known for its dense growth and prolific, colorful flowers that bloom year-round. All parts of the plant are highly poisonous, and its sap can irritate skin. It tolerates heat, drought, and salt, making it suitable for coastal and urban environments.
Where it grows
Trees in each city's inventory, with the share of that city's named trees this species accounts for.
- 2,7710.59%35 yr7.5 in
- 8560.25%—10 in
- 1970.13%—1.9 in
- 300.02%—7.5 in
- 240.01%—3.8 in
- 140.01%—1.8 in
- 90.00%——
- 20.01%—9.0 in
Traits
- Form
- Broadleaf
- Foliage
- Evergreen
- Mature height
- 7–20 ft
- Canopy spread
- 10–15 ft
- Growth rate
- Fast
- Sun
- Full sun, Part shade
- Water needs
- Low
- Drought tolerance
- High
- Wildlife value
- Low
- Tolerates
- coastal, salt
- Blooms
- Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec
Trunk diameters across every city: median 7.5 in, mean 7.1 in, 90th percentile 15 in. Measured at breast height, as published by each inventory.
Native range
Terrestrial ecoregions where this species is native. Trees in the dataset mostly stand well outside it.
Tropical & Subtropical Dry Broadleaf Forests
- East Deccan dry-evergreen forests
Mediterranean Forests, Woodlands & Scrub
- Aegean and Western Turkey sclerophyllous and mixed forests
Deserts & Xeric Shrublands
- Arabian-Persian Gulf coastal plain desert