American Rhododendron Society Web Site ARS
navigation menu background

Rhododendron Plant Search

New Search

  "Printer Friendly" Page

More Information: Rhododendron 'Sumatra'


R. 'Sumatra' 
  Photo: Roland Kersten

Predominant Flower Color:  Red

Flower/Truss Description:  Flower openly funnel-campanulate, wavy lobes, 2⅝" across, waxy textured, deep red shading to strong red in center. Dome-shaped truss with 8-10 flowers.

Fragrant:  No

Bloom Time:  Midseason

Foliage Description / Plant Habit:  Leaves elliptic, apiculate apex, cuneate base, 3⅛" long, yellowish-green, variable from lightly textured to smooth, retained 2 years. Leaves will become darker green if given greater sun exposure. Grows twice as wide as tall.

Height:  3 feet in 10 years.

Cold Hardiness Temp:  -15°F  ( -26°C)

Parentage  (Seed Parent x Pollen Parent):  America x Gertrude Schale

Elepidote (E) or Lepidote (L):  E

Hybridized or Selected by:  Leach

Registration Reference:  ARS 822

Glossary of plant description terminology.
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: member@arsoffice.org
©1998-2024, ARS, All rights reserved.