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More Information: Rhododendron cumberlandense

R. 'cumberlandense' 
Photo: Sally and John Perkins

Predominant Flower Color:  Orange, Red

Flower/Truss Description:  Funnel shaped, orange to red, sometimes yellow.

Bloom Time:  Late to Very Late

Foliage / Habit Description:  Leaves ovate or obovate to elliptic, up to 3" long, deciduous. Low shrub, often stoloniferous.

Deciduous or Evergreen:   Deciduous

Height:  4 feet in 10 years.

Cold Hardiness Temp:  -15F  ( -26C)

Sub Genus:  Pentanthera

Section:  Pentanthera

Sub Section:  Pentanthera

Geographical Origin:  E N America (mountains, Kentucky to Georgia)

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 214, Great River, NY 11739
Ph: 631-533-0375   Fax: 866-883-8019   E-Mail:
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