Rhododendron 'Gartendirektor Rieger'

Photo: Herb Spady

Predominant Flower Color: 


Flower / Truss Description: 

Flower campanulate, 2" - 4" across, white tinged pink with deep purplish-red dorsal spotting. Held in open-topped truss with 4-9 flowers. 



Bloom Time: 


Foliage Description / Plant Habit: 

Leaves rounded, slightly recurved, with yellow-green petioles. Upright habit. Likes a fair amount of sun for good blooming but optimal foliage requires filtered sun. 

Height in 10 Yrs: 

3 ft 

Cold Hardiness Temperature: 

-10F  (-23C)

Parentage  (Seed Parent x Pollen Parent): 

Adriaan Koster x williamsianum  

Elepidote (E) or Lepidote (L): 



Registration Reference: 

not registered 

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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