Rhododendron 'calendulaceum'

Photo: Sally and John Perkins

Predominant Flower Color: 

Orange, Red, Yellow 

Flower / Truss Description: 

Funnel shaped, shades of orange, scarlet and yellow. Sometimes slightly scented. Inflorescence 5-9 flowered. 

Bloom Time: 

Late Midseason to Late 

Foliage Description / Plant Habit: 

Leaves ovate or obovate to elliptic, up to 3" long, deciduous. 

Plant Habit: 

Upright spreading shrub or small tree 

Height in 10 Yrs: 

5 ft 

Cold Hardiness Temperature: 

-20F  (-29C)

Elepidote (E) or Lepidote (L): 

Sub Genus: 




Sub Section: 


Geographical Origin: 

E N America (Pennsylvania to N Georgia) 

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.


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