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2010 Rhododendron of the Year Awards
Plants suitable for Great Lakes USA


Elepidote Rhododendron: 'Trinity'
R. catawbiense, white form, 'Powell Glass', selfed x R. degronianum ssp yakushimanum "Koichiro Wada'

Flower white with faint green spotting on dorsal lobe, shaded pale purplish-pink on lobe edges and reverse when newly opened, openly funnel-shaped, wavy lobes, 2" across, faintly fragrant. Held in ball-shaped trusses of 14 flowers. Blooms late midseason. Leaves oblanceolate, obtuse apex, cuneate base, 4" long, convex, yellowish-green with thin, easily rubbed off orange-yellow indumentum that darkens with age. New growth has orange-tan indumentum. Rounded growth habit. Grows to a typical height of 2 ft. in 10 yrs.   Cold hardy to -25 F   (-32C).  Hybridized by Pride.

 R. 'Trinity'

  Photo by Harold Greer

 R. 'Windbeam'

Lepidote Rhododendron: 'Windbeam'
R. 'Conestoga' seedling

Flower opens white tinged pale apricot, aging to white, after 3-4 days flowers become light purplish-pink, dorsal lobe slightly spotted red, funnel-shaped, wavy-edges, " across. Ball-shaped truss holds 8 flowers. Blooms early midseason. Leaves elliptic to lanceolate, obtuse apex, cuneate base, 2" to 2" long, moderate olive green. Willowy and straggly plant habit.  Reaches a height of 3 ft. in 10 yrs.  Cold hardy to -25 F (-32 C).  Hybridized by Nearing.

Photo by Eleanor Philp  

Evergreen Azalea: 'Martha Hitchcock'
R. mucronatum x R. 'Shinnyo-no-tsuki'

Flower white, with strong purplish-red edges and purplish red spotting, single, 3" across. Young plants often produce strong reddish purple flowers. Inflorescence 1-3 flowered. Blooms midseason.  Leaves 2" long, hairy, dark green. Broad, open habit. Grows to 3 ft. in 10 years.   Cold  hardy  to  -10F (-23C).  Hybridized by Morrison.  Won an ARS Award of Merit and a First Class Certificate from the RHS.

 R. 'Martha Hitchcock'
  Photo by Peter Littlefield

R. 'Fragrant Star'

Deciduous Azalea: 'Fragrant Star'
Parentage: R. 'Snowbird' treated with colchine. A polyploid form (doubled chromosomes).

Flower pale yellow in bud opens pale yellow inside, yellowish white outside, unmarked, tubular funnel-shaped, wavy lobes, 1" across, very strongly scented. Blooms midseason.  Leaves obovate, obtuse at apex, cuneate at base, 2" long, bluish-green. Upright plant habit. Grows approximately 4 ft. tall in 10 yrs.  Cold hardy to -20 F (-29 C). Good heat tolerance. Developed by Briggs Nursery.

Photo by Harold Greer  

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

American Rhododendron Society
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