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Description of Rhododendron 'Grandma's Hat'

R. 'Grandma's Hat' 
Photo by: Bill Stipe

Seed Parent x Pollen Parent: 

unknown x unknown 

Predominant Flower Color: 

Purple 

Flower / Truss Description: 

Flower openly funnel-shaped, wavy edges, 4" across, greenish white with deep purplish-red edges and dark red blotch and spots, reverse deep purplish-red. Held in ball-shaped truss with 18-20 flowers. 

Fragrant: 

No 

Bloom Time: 

Late Midseason 

Height (ft.) in 10 Yrs: 

Cold Hardiness Temperature: 

0F  (-18C)

Foliage Description / Plant Habit: 

Leaves oblanceolate to lanceolate, acute apex, cuneate base, 5" long, flat, dull, dark yellowish-green. Upright, well-branched plant. 

Elepidote (E) or Lepidote (L): 

Hybridizer: 

Lem? 

Registration Reference: 

ARS 873 

 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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