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Description of Rhododendron 'Shamrock'

R. 'Shamrock' 
Photo by: Eleanor Philp

Seed Parent x Pollen Parent: 

keiskei, dwarf form x hanceanum 'Nanum group' 

Predominant Flower Color: 

Yellow 

Flower / Truss Description: 

Flower tubular funnel-shaped, 1" across, brilliant yellowish-green with slight strong yellow-green spotting. Flowers fade to light yellow. Flat trusses of 8-9 flowers. 

Fragrant: 

No 

Bloom Time: 

Early to Early Midseason 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

-5F  (-21C)

Foliage Description / Plant Habit: 

Leaves elliptic, apiculate apex, cuneate base, 1" long, yellowish-green, retained 2 years. Dense and spreading shrub. 

Elepidote (E) or Lepidote (L): 

Hybridizer: 

Ticknor 

Registration Reference: 

ARS 784 

 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
Ph: 416-424-1942   Fax: 905-262-1999   E-Mail: lauragrant@arsoffice.org
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