Rhododendron 'Black Widow'

 
Photo: Harold Greer

Predominant Flower Color: 

 Red 

Flower / Truss Description: 

 Flower openly funnel-shaped, about 3¼" 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. 

Fragrant: 

 No 

Bloom Time: 

 Midseason 

Foliage Description / Plant Habit: 

 Leaves elliptic, broadly acute apex, cuneate base, 6½" long, glossy, bullate. Upright and spreading habit 

Height in 10 Yrs: 

 3 ft 

Cold Hardiness Temperature: 

 -5°F  (-21°C)

Parentage  (Seed Parent x Pollen Parent): 

 (Frank Galsworthy x Leo) x Warlock  

Elepidote (E) or Lepidote (L): 

 E 

Hybridized or Selected by: 

 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
©1998-2025, ARS, All rights reserved.