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Alphabetized Plant List

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Click to view photo image and "More Information" for additional plant data.
VE=Very Early, E=Early, EM=Early Midseason, M=Midseason, LM=Late Midseason, L=Late, VL=Very Late

Name

Bloom
Time

Height in
10 yrs (ft)

Hardiness
(F)

Predominant
Flower Color

Photo

Click Link for
More Data

oblongifolium 
  See viscosum 

 

 

 

 

  

 

occidentale 

LM - L 

-5 

White, Pink 

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More Information

ochraceum 

Red 

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odoriferum 
  See maddenii ssp crassum 

 

 

 

 

  

 

oldhamii 

10 

Red 

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More Information

orbiculare 
  ssp orbiculare 

EM - M 

Pink 

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oreodoxa 
  var. fargesii 

E - EM 

-10 

Pink 

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oreodoxa 
  var. oreodoxa 

E - EM 

-5 

White, Pink 

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oreotrephes 

EM 

Pink, Lavender 

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orthocladum 
  var microleucum 

EM 

-5 

White 

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orthocladum 
  var orthocladum 

EM 

-5 

Lavender, Purple 

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ovatum 

LM 

White, Pink, Purple 

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More Information


American Rhododendron Society
Executive Director: P.O. Box 525,  Niagara Falls, NY 14304
Ph: 416-424-1942   Fax: 905-262-1999   E-Mail: lauragrant@arsoffice.org
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