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More Information: Rhododendron calostrotum ssp. riparium


R. 'calostrotum' 
  Photo by: Annelie Dau
Deutsche Genbank Rhododendron

Predominant Flower Color:  Pink, Purple

Flower/Truss Description:  Widely funnel shaped or rotate, pink to purple.

Fragrant:  No

Bloom Time:  Late Midseason

Foliage Description:  Leaves elliptic to oblong-obovate, up to 1" long, rarely glaucous.

Plant Habit:  Erect or decumbent

Height:  2 feet in 10 years.

Cold Hardiness Temp:  0°F  ( -18°C)

Elepidote (E) or Lepidote (L):  L

Sub Genus:  Rhododendron

Section:  Rhododendron

Sub Section:  Saluenensia

Geographical Origin:  India (Arunachal Pradesh), NE Burma, China (SE Tibet, NW 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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