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Description of Rhododendron 'Calsap'

R. 'Calsap' 
Photo by: Don Hyatt

Seed Parent x Pollen Parent: 

Catalgia x Sappho 

Predominant Flower Color: 


Flower / Truss Description: 

Flower tubular funnel-shaped, wavy edges, 2" across, white with a dark red blotch, reverse slightly flushed very pale purple. Held in conical truss of 18 flowers. 



Bloom Time: 


Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

-25F  (-32C)

Foliage Description / Plant Habit: 

Leaves oblong, apiculate apex, cuneate base, 5" long, smooth, convex, vivid yellowish-green, retained 2 years. Plant needs sun for dense habit. 

Elepidote (E) or Lepidote (L): 



Registration Reference: 

ARS 864 

 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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