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More Information: Rhododendron 'Roseum Superbum'


R. 'Roseum Superbum' 
  Photo: Sally and John Perkins

Predominant Flower Color:  Lavender

Flower/Truss Description:  Flower purplish-rose. Dome-shaped truss.

Fragrant:  No

Bloom Time:  Late Midseason

Foliage Description / Plant Habit:  Leaves elliptic, medium green. Exhibits good heat and cold tolerance.

Height:  7 feet in 10 years.

Cold Hardiness Temp:  -20°F  ( -29°C)

Parentage  (Seed Parent x Pollen Parent): 
     catawbiense hybrid

Elepidote (E) or Lepidote (L):  E

Hybridized or Selected by:  Waterer, A.

Registration Reference:  RHS 58

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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