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More Information: Rhododendron 'Marinus Koster'


R. 'Marinus Koster' 
  Photo: Harold Greer

Predominant Flower Color:  Pink

Flower/Truss Description:  Flower funnel-shaped, deep pink with lighter center, spotted brown on upper lobe. Conical-shaped truss has 10-14 flowers.

Fragrant:  No

Bloom Time:  Midseason to Late Midseason

Foliage Description / Plant Habit:  Leaves oblong-lanceolate, thick, glossy, dark green. Vigorous, upright growth habit. Sun tolerant.

Height:  6 feet in 10 years.

Cold Hardiness Temp:  -5°F  ( -21°C)

Parentage  (Seed Parent x Pollen Parent): 
     George Hardy x unnamed hybrid

Elepidote (E) or Lepidote (L):  E

Hybridized or Selected by:  Koster & Sons

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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