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More Information: Rhododendron 'Grumpy'


R. 'Grumpy' 
  Photo: Paul Wurz

Predominant Flower Color:  White

Flower/Truss Description:  Flower funnel-shaped, 2" across, cream tinged pale purplish-pink at edges and with light orange-yellow spotting. Ages to cream color. Lax trusses holds 8-11 flowers.

Fragrant:  No

Bloom Time:  Midseason

Foliage Description / Plant Habit:  Leaves lanceolate, acute apex, round base, about 3" long, recurved, dull, dark green with orange-brown indumentum. Compact, dense, mounding habit. Very heat and sun tolerant.

Height:  2 feet in 10 years.

Cold Hardiness Temp:  -5°F  ( -21°C)

Parentage  (Seed Parent x Pollen Parent): 
     degronianum ssp yakushimanum x unnamed hybrid

Elepidote (E) or Lepidote (L):  E

Hybridized or Selected by:  Waterer, J.

Registration Reference:  RHS 71

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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