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Description of Rhododendron  'Umpqua Queen'

Photo by: Joe Coleman

Seed Parent x Pollen Parent: 

unknown x unknown 

 Predominant Flower Color: 


Flower / Truss Description: 

Flower flat saucer-shaped, wavy lobes, 4" across, double, brilliant yellow with vivid yellow blotch on dorsal outer lobe. Ball-shaped trusses hold 12 flowers. 

Bloom Time: 

Late Midseason 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

0F  (-18C)

Foliage Description / Plant Habit: 

Leaves lanceolate, apiculate, cuneate, 5" long, moderate yellow green turning yellow-bronze in fall. Rounded growth habit. 

Deciduous or Evergreen: 




Registration Reference: 

ARS 743 

 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
Executive Director: P.O. Box 525,  Niagara Falls, NY 14304
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