American Rhododendron Society Web Site ARS
navigation menu background

Rhododendron Plant Search

New Search

  "Printer Friendly" Page

More Information: Rhododendron thomsonii ssp. lopsangianum


R. 'thomsonii' 
  Photo by: Kenneth Cox

Predominant Flower Color:  Red

Flower/Truss Description:  Campanulate, crimson to deep wine-red, fleshy, calyx small. Lax truss holds 3-12 flowers.

Fragrant:  No

Bloom Time:  Early

Foliage Description:  Leaves orbicular or ovate to elliptic, 1⅜" to 1¾" long.

Plant Habit:  Upright but compact shrub

Height:  3 feet in 10 years.

Cold Hardiness Temp:  5°F  ( -15°C)

Elepidote (E) or Lepidote (L):  E

Sub Genus:  Hymenanthes

Section:  Ponticum

Sub Section:  Thomsonia

Geographical Origin:  China (S Tibet)

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.