Oleander
Nerium oleander
Apocynaceae · broadleaf evergreen shrub · introduced
Last updated
Quick Facts
Height
6–12 ft
Spread
13 ft
Growth Rate
Fast
Light
Full Sun
Soil
Adaptable
Water
Low
Hardiness
Zones 8a–8b
Bloom Time
Seasonal bloomer
Origin
TEMPERATE ASIA: United Arab Emirates, Oman
Phenological Calendar
View full calendar (5 stages)
| Stage | Typical Window |
|---|---|
| New growth flush BBCH 11 | Feb 15-Mar 15 |
| Bloom start BBCH 61 | Jun 15-Aug 15 |
| Bloom end / petal fall BBCH 69 | Jul 15-Aug 31 |
| Fruit/seed development BBCH 71 | Jun 1-Aug 31 |
| Fruit/seed maturity BBCH 85 | Sep 1-Nov 30 |
Data Maturity Baseline Extension data. Expert review underway.