Rhododendron 'Humboldt'

 
Photo: Diane Weissman

Predominant Flower Color: 

Lavender 

Flower / Truss Description: 

Flower 2" to 3" across, very pale purple with blackish-red markings. Held in ball-shaped truss with 16-20 flowers. 

Fragrant: 

No 

Bloom Time: 

Late Midseason 

Foliage Description / Plant Habit: 

Leaves ovate, 4" to 6" long, dark green. Upright, well-branched plant. 

Height in 10 Yrs: 

5 ft 

Cold Hardiness Temperature: 

-20F  (-29C)

Parentage  (Seed Parent x Pollen Parent): 

catawbiense x unknown  

Elepidote (E) or Lepidote (L): 

Hybridizer: 

Seidel 

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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