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Description of Rhododendron 'Whisperingrose'

R. 'Whisperingrose' 
Photo by: Bob George

Seed Parent x Pollen Parent: 

williamsianum x Elizabeth 

Predominant Flower Color: 


Flower / Truss Description: 

Flower campanulate, 2" across, dark red in bud, purplish-red, unmarked. Flat truss holds 6 flowers. 



Bloom Time: 

Early Midseason 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

0F  (-18C)

Foliage Description / Plant Habit: 

Leaves oblong-orbicular, 1" long, slightly down curved edges, semi-glossy, dark yellowish-green, retained 2 years. Bright copper new growth. Petioles dark red. 

Elepidote (E) or Lepidote (L): 



Registration Reference: 

ARS 992 

 Note: Bloom time and 10 year height information are approximate and can vary dependent on local climate and soil conditions.
Hardiness temperature is also an approximate guideline.

American Rhododendron Society
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