Rhododendron '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 in 10 Yrs: 

7 ft 

Cold Hardiness Temperature: 

-20°F  (-29°C)

Parentage  (Seed Parent x Pollen Parent): 

catawbiense hybrid  

Elepidote (E) or Lepidote (L): 

Hybridized or Selected by: 

Waterer, A. 

Registration Reference: 

RHS 58 

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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