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2010 Rhododendron of the Year Awards
Plants suitable for Northeastern USA


Elepidote Rhododendron: 'Calsap'
R. 'Catalgla' x R. 'Sappho'

Flower white with a dark red blotch, reverse flushed very pale purple, tubular funnel-shaped, wavy edges, 2" across. Conical-shaped truss holds 18 flowers. Blooms late midseason. Leaves oblong shaped with apiculate apex and cuneate base, convex, 5" long, emerald green, retained 2 years. Plant needs some sun for dense habit. Grows to a typical height of 4 ft. in 10 yrs. Cold hardy to -25 F (-32 C). Hybridized by Michener.

R. 'Calsap'

  Photo by Don Hyatt

R. mucronulatum var. mucronulatum

Lepidote Rhododendron mucronulatum var. mucronulatum
Species rhododendron in subgenus Rhododendron section Rhododendron subsection Rhodorastra

Flower pink to mauve to rosy purple, widely funnel shaped. Inflorescence 1 flowered, often from multiple buds. Blooms very early.  Leaves elliptic to lanceolate, up to 3" long, deciduous, scaly below.  Upright, erect plant habit.  Typical height is 5 ft. in 10 yrs.  Cold hardy to -20F (-29C).  Found in the wilds in Siberia, Korea, Mongolia, China (Hubei, Shandong), and Japan (Honshu, Kyushu)

Photo by Henk Borsje 

Evergreen Azalea: R. kiusianum var. kiusianum
Species rhododendron in subgenus Tsutsusi section Tsutsusi

Flower salmon-red, pink, or purple, funnel-shaped, about 1" across. Inflorescence 2-3 flowered. Blooms midseason to late midseason.  Leaves oval to obovate, up to " long, top and bottom covered with short, reddish-brown hair. Plant is almost deciduous. Compact, many branched habit. Low growing reaching a height of about 2 ft. in 10 yrs.  Hardy to -10F (-23C).  Native to Japan (Kyushu).

R. kiusianum var. kiusianum

  Photo by Hans Eiberg

R. 'Millennium'

Deciduous Azalea: 'Millennium'
R. 'Weston's Sparkler' x R. 'Westons Parade'

Flower inside strong red with pale orange dorsal flare, outside vivid red, tubular funnel-shaped, broadly spread lobes, wavy edges, fragrant, 1" across. Dome-shaped truss holds 6 flowers. Blooms very late.  Leaves obovate, broadly acute apex, cuneate base, up-curved margins, 2" long, semi-glossy, dark bluish green. Mildew resistant. Grows to 4 ft. tall in 10 years.  Hardy to -20F (-29C).  Hybridized by Mezitt.

Photo by Harold Greer  

Prior Year ROY Selections for Northeastern USA
2009   2008   2007   2006   2005   2004

American Rhododendron Society
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