Rhododendron 'sidereum'

 
Photo: Rhododendron Species Foundation

Predominant Flower Color: 

 White, Yellow 

Flower / Truss Description: 

 Oblique-campanulate, cream to yellow, with red basal blotch. Truss has 12-20 flowers. 

Bloom Time: 

 Midseason to Late Midseason 

Foliage Description / Plant Habit: 

 Leaves narrowly elliptic to oblanceolate, up to 9" long, plastered silvery-white to fawn indumentum. 

Plant Habit: 

 Erect to rounded shrub or small tree 

Height in 10 Yrs: 

 5 ft 

Cold Hardiness Temperature: 

 10°F  (-12°C)

Elepidote (E) or Lepidote (L): 

 E 

Sub Genus: 

 Hymenanthes 

Section: 

 Ponticum 

Sub Section: 

 Grandia 

Geographical Origin: 

 NE Burma, China (N and W 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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