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More Information: Rhododendron 'Oratorium'


R. 'Oratorium' 
  Photo: Steve Henning

Predominant Flower Color:  Red

Flower/Truss Description:  Flower openly funnel-shaped, wavy edges, 2¼" to 2¾" across, dark red and white filaments. Ball-shaped truss has 11-15 flowers.

Fragrant:  No

Bloom Time:  Late Midseason

Foliage Description / Plant Habit:  Leaves elliptic, convex, acute apex, rounded base, 4¾" to 5½" long, glossy, bright green. Dense plant habit.

Height:  3 feet in 10 years.

Cold Hardiness Temp:  -15°F  ( -26°C)

Parentage  (Seed Parent x Pollen Parent):  Feureschein x Thunderstorm

Elepidote (E) or Lepidote (L):  E

Hybridized or Selected by:  Hachmann, Hans

Registration Reference:  RHS 88

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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