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More Information: Rhododendron 'Umpqua Queen'

R. 'Umpqua Queen' 
  Photo: Joe Coleman

Predominant Flower Color:  Yellow

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.

Fragrant:  No

Bloom Time:  Late Midseason

Foliage Description / Plant Habit:  Leaves lanceolate, apiculate, cuneate, 5" long, moderate yellow green turning yellow-bronze in fall. Rounded growth habit.

Deciduous or Evergreen:  Deciduous

Height:  4 feet in 10 years.

Cold Hardiness Temp:  0F  ( -18C)

Parentage  (Seed Parent x Pollen Parent):  unknown x unknown

Hybridized or Selected by:  unknown

Registration Reference:  ARS 743

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.

American Rhododendron Society
P.O. Box 43, Craryville, NY 12521
Ph: 631-533-0375   E-Mail:
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