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More Information: Rhododendron 'Black Widow'

R. 'Black Widow' 
Photo: Harold Greer

Predominant Flower Color:  Red

Flower/Truss Description:  Flower openly funnel-shaped, about 3" across, wavy edges, opens dark grayish purple aging to darker than dark red with a dark speckled eye. Ball-shaped truss holds 19-21 flowers.


Bloom Time:  Midseason

Foliage Description / Plant Habit:  Leaves elliptic, broadly acute apex, cuneate base, 6" long, glossy, bullate. Upright and spreading habit

Height:  3  feet in 10 years.

Cold Hardiness Temp:  -5F  ( -21C)

Parentage  (Seed Parent x Pollen Parent): 
   (Frank Galsworthy x Leo) x Warlock

Elepidote (E) or Lepidote (L):  E

Hybridizer:  Thompson

Registration Reference:  ARS 072

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
Executive Director: P.O. Box 525, Niagara Falls, NY 14304
Ph: 416-424-1942   Fax: 905-262-1999   E-Mail:
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