Rhododendron 'sphaeroblastum'

Photo: Rhododendron Species Foundation (ac64-145)

Predominant Flower Color: 


Flower / Truss Description: 

Funnel-campanulate, white, sometimes pink, spotted purple. Ball-shaped truss holds 10-20 flowers. 

Bloom Time: 

Early Midseason 

Foliage Description / Plant Habit: 

Leaves narrowly obovate to elliptic, up to 4" long, upper surface shiny, lower surface with reddish-brown indumentum. 

Plant Habit: 

Compact shrub to upright, straggly small tree 

Height in 10 Yrs: 

4 ft 

Cold Hardiness Temperature: 

-5F  (-21C)

Elepidote (E) or Lepidote (L): 

Sub Genus: 




Sub Section: 


Geographical Origin: 

China (SW Sichuan, NW Yunnan) 

Note: Bloom time and 10 year height information are approximate and can vary dependent on weather and growing conditions.
Cold hardiness temperature is also an approximate value.


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