Rhododendron 'Irene Koster'

 
Photo: Monrovia Nursery

Seed Parent X Pollen Parent: 

 unknown X unknown 

Predominant Flower Color: 

 White, Pink 

Flower / Truss Description: 

 Flower tubular funnel-shaped, wavy edges, 2½" across; white flushed strong pink and a yellow blotch with brownish orange spotting. 

Bloom Time: 

 Late Midseason 

Height in 10 Yrs: 

 6 ft 

Cold Hardiness Temperature: 

 -15°F  (-26°C)

Foliage Description / Plant Habit: 

  

Deciduous or Evergreen: 

 Deciduous  

Hybridized or Selected by: 

 Koster & Sons 

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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