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More Information: Rhododendron sidereum


R. 'sidereum' 
  Photo by: 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.

Fragrant:  No

Bloom Time:  Midseason to Late Midseason

Foliage Description:  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:  5 feet in 10 years.

Cold Hardiness Temp:  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)

Glossary of plant description terminology.
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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