Rhododendron 'Horizon Dawn'

 
Photo: Stuart Imrie

Predominant Flower Color: 

 Yellow 

Flower / Truss Description: 

 Flower openly campanulate, of heavy substance, wavy edges, 3" across, pale yellow with brilliant yellow throat. Held in ball-shaped trusses of 12-14 flowers. 

Fragrant: 

 No 

Bloom Time: 

 Early Midseason 

Foliage Description / Plant Habit: 

 Leaves elliptic to narrowly elliptic, convex, mucronate apex, cuneate base, 6" long, retained 2 years. 

Height in 10 Yrs: 

 4 ft 

Cold Hardiness Temperature: 

 5°F  (-15°C)

Parentage  (Seed Parent x Pollen Parent): 

 (Hotei x Tropicana) x [degronianum ssp yakushimanum x (Alice Franklin x Virginia Scott)]  

Elepidote (E) or Lepidote (L): 

 E 

Hybridized or Selected by: 

 Brockenbrough 

Registration Reference: 

 ARS 922 

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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