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More Information: Rhododendron 'Grandma's Hat'


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

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

Foliage Description / Plant Habit:  Leaves oblanceolate to lanceolate, acute apex, cuneate base, 5" long, flat, dull, dark yellowish-green. Upright, well-branched plant.

Height:  5 feet in 10 years.

Cold Hardiness Temp:  0°F  ( -18°C)

Parentage  (Seed Parent x Pollen Parent):  unknown x unknown

Elepidote (E) or Lepidote (L):  E

Hybridized or Selected by:  Lem?

Registration Reference:  ARS 873

Glossary of plant description terminology.
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.


American Rhododendron Society
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Ph: 631-533-0375   E-Mail: member@arsoffice.org
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