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More Information: Rhododendron macrophyllum


R. 'macrophyllum' 
Photo by: Hank Helm

Predominant Flower Color:  Pink, Purple

Flower/Truss Description:  Broadly campanulate, pink to rosy purple, occasionally white, spotted yellow. Truss holds 10-20 flowers.

Fragrant:  No

Bloom Time:  Midseason to Late Midseason

Foliage Description:  Leaves oblong-obovate to elliptic, up to 9" long, glabrous when mature.

Plant Habit:  Erect, vigorous shrub or small tree

Height:  5  feet in 10 years.

Cold Hardiness Temp:  -5F  ( -21C)

Elepidote (E) or Lepidote (L):  E

Sub Genus:  Hymenanthes

Section:  Ponticum

Sub Section:  Pontica

Geographical Origin:  W N America (California to British Columbia)

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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