Rhododendron 'Thor'

 
Photo: Harold Greer

Predominant Flower Color: 

 Red 

Flower / Truss Description: 

 Flower broadly funnel-shaped, 4⅓" across, bright scarlet with large calyx. Held in a lax truss of about 7 flowers. 

Fragrant: 

 No 

Bloom Time: 

 Midseason 

Foliage Description / Plant Habit: 

 Leaves 4½" long, dark green, thickly hairy below. Compact, widely branched plant. 

Height in 10 Yrs: 

 2 ft 

Cold Hardiness Temperature: 

 5°F  (-15°C)

Parentage  (Seed Parent x Pollen Parent): 

 haematodes ssp haematodes x Felis  

Elepidote (E) or Lepidote (L): 

 E 

Hybridized or Selected by: 

 Brandt 

Registration Reference: 

 ARS 621 

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
©1998-2025, ARS, All rights reserved.