Rhododendron 'Vulcan'

 
Photo: Hank Helm

Predominant Flower Color: 

 Red 

Flower / Truss Description: 

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

Fragrant: 

 No 

Bloom Time: 

 Late Midseason 

Foliage Description / Plant Habit: 

 Leaves 4¾" long, acute apex, cuneate base, dark green. Mounding habit. Afternoon filtered light is preferred. 

Height in 10 Yrs: 

 5 ft 

Cold Hardiness Temperature: 

 -15°F  (-26°C)

Parentage  (Seed Parent x Pollen Parent): 

 Mars x griersonianum  

Elepidote (E) or Lepidote (L): 

 E 

Hybridized or Selected by: 

 Waterer, J. 

Registration Reference: 

 RHS 58 

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.

 

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