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Description of Rhododendron 'Yellow Hammer'

R. 'Yellow Hammer' 
Photo by: Chris Klapwijk

Seed Parent x Pollen Parent: 

sulfureum x flavidum 

Predominant Flower Color: 


Flower / Truss Description: 

Flower tubular-campanulate, " across, empire-yellow, unmarked. Held in multiple bud clusters with 2 flowers per bud. 



Bloom Time: 


Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

0F  (-18C)

Foliage Description / Plant Habit: 

Leaves narrowly elliptic, about 1" long, slightly glossy, dark green. Upright habit, can become straggly as it grows. Prune to retain shape. 

Elepidote (E) or Lepidote (L): 


Waterer, J. 

Registration Reference: 

RHS 58 

 Note: Bloom time and 10 year height information are approximate and can vary dependent on local climate and soil conditions.
Hardiness temperature is also an approximate guideline.

American Rhododendron Society
Executive Director: P.O. Box 525,  Niagara Falls, NY 14304
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