American Rhododendron Society Web Site ARS
navigation menu background

Rhododendron of the Year Plant Awards: 2024


North West USA and Canada Region

R. 'Horizon Lakeside'

Elepidote Rhododendron: 'Horizon Lakeside'

Flower light yellow with a strong red throat and spots, saucer-shaped, wavy edged, 4" across.  Held in ball-shaped truss with 16 flowers.  Blooms early midseason.  Leaves elliptic, broadly acute apex, rounded base, slightly wavy edges, 4" long, retained 2 years.  Spreading moderately open habit.  Typical height: 4 feet in 10 years.  Plant and bud hardy to 5F (-15C).  Hybridized by Brockenbrough.

 
R. 'Gletschernacht'

Lepidote Rhododendron: 'Gletschernacht'

Flower vivid violet, unmarked, funnel-shaped, about 1⅜" across.  Truss holds 7-8 flowers.  Blooms early midseason.  Leaves elliptic, 1" to 2" long, yellowish-green.  Compact, dense shrub.  Grows to a typical height of 3 ft. in 10 years.  Cold hardy to -5F (-21C).  Hybridized by Hachmann.

 
R. kiusianum var. kiusianum

Evergreen Azalea: R. kiusianum var. kiusianum

Flower salmon-red, pink, typically purple, or rarely white, funnel-shaped, about 1" across.  Inflorescence has 2-5 flowers.  Blooms midseason to late midseason.  Spring leaves about 1⅔" long, elliptic or obovate, both sides with stiff flat hairs, summer leaves are obovate, 1⅓"- 1¾" long, semi-evergreen to deciduous.  Dense, twiggy, often prostrate plant habit.  Grows to a typical height of 2 ft. in 10 years.  Cold hardy to -10F (-23C).  Native to Kyushu, Japan.  The official flower of Unzen, Nagasaki, and Kagoshima Prefectures.

 
R. 'Mount Saint Helens'

Deciduous Azalea: 'Mount Saint Helens'

Flower yellowish pink with a vivid reddish-orange blotch, widely funnel-shaped, wavy lobed, 2" across.  Held in ball-shaped truss with 11 flowers.  Blooms midseason.  Leaves oblanceolate to narrowly obovate, mucronate, narrowly cuneate, 3" to 4" long, moderate yellowish-green.  Upright plant habit.  Grows approximately 6 ft. tall in 10 years.  Cold hardy to -25F (-32C).  Hybridized by Girard.

Photos (top to bottom) by Steve Henning, Harold Greer, Hans Eiberg, Sally and John Perkins.

Prior Years Selections for North West USA Region

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004


American Rhododendron Society
P.O. Box 43, Craryville, NY 12521
Ph: 631-533-0375   E-Mail: member@arsoffice.org
1998-2024, ARS, All rights reserved.