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More Information: Rhododendron 'Vulcan'


R. '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:  5 feet in 10 years.

Cold Hardiness Temp:  -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

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.


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