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Description of Rhododendron 'Vulcan'

R. 'Vulcan' 
Photo by: Eleanor Philp

Seed Parent x Pollen Parent: 

Mars x griersonianum 

Predominant Flower Color: 

Red 

Flower / Truss Description: 

Flower openly funnel-shaped, wavy-edges, blood red, unmarked. Held in dome-shaped trusses of about 10 flowers. Several different clones sold under this name. 

Fragrant: 

No 

Bloom Time: 

Late Midseason 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

-15F  (-26C)

Foliage Description / Plant Habit: 

Leaves 4" long, acute apex, cuneate base, dark green. Mounding habit. Afternoon filtered light is preferred. 

Elepidote (E) or Lepidote (L): 

Hybridizer: 

Waterer, J. 

Registration Reference: 

RHS 58 

 Note: Bloom time and 10 year height information are approximate and can vary dependent on local climate and soil conditions.
Hardiness temperature is also an approximate guideline.


American Rhododendron Society
Executive Director: P.O. Box 525,  Niagara Falls, NY 14304
Ph: 416-424-1942   Fax: 905-262-1999   E-Mail: lauragrant@arsoffice.org
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