Rhododendron 'Horizon Monarch'

 
Photo: Ned Brockenbrough

Predominant Flower Color: 

 Yellow 

Flower / Truss Description: 

 Flower openly funnel-shaped, 4" across, pale greenish-yellow to light yellow with a small, vivid red flare. Ball-shaped truss holds 15 flowers. 

Fragrant: 

 No 

Bloom Time: 

 Midseason 

Foliage Description / Plant Habit: 

 Leaves elliptic, apiculate apex, cuneate base, 6¾" long, convex, dark green. Spreading growth habit. 

Height in 10 Yrs: 

 6 ft 

Cold Hardiness Temperature: 

 5°F  (-15°C)

Parentage  (Seed Parent x Pollen Parent): 

 Nancy Evans x Point Defiance  

Elepidote (E) or Lepidote (L): 

 E 

Hybridized or Selected by: 

 Brockenbrough 

Registration Reference: 

 ARS 902 

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
©1998-2024, ARS, All rights reserved.