Rhododendron 'Humboldt Sunrise'

 
Photo: Harold Greer

Predominant Flower Color: 

 Yellow 

Flower / Truss Description: 

 Flower openly funnel-shaped, wavy lobes, 3" across, fragrant, pale yellow with vivid yellow blotch in dorsal throat, reverse blushed deep pink on distal half of lobes. Flat-shaped truss holds 5-6 flowers. 

Fragrant: 

 Yes 

Bloom Time: 

 Early Midseason 

Foliage Description / Plant Habit: 

 Leaves elliptic to lanceolate, acute with apiculus apex, cuneate base, curve towards tip, glossy, yellow green, retained for 2 years. Upright, broad growth habit. 

Height in 10 Yrs: 

 3 ft 

Cold Hardiness Temperature: 

 15°F  (-9°C)

Parentage  (Seed Parent x Pollen Parent): 

 Else Frye x johnstoneanum  

Elepidote (E) or Lepidote (L): 

 L 

Hybridized or Selected by: 

 Braafladt 

Registration Reference: 

 ARS 791 

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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