Taxon  Report   7088    
Rhododendron macrophyllum  D. Don ex G. Don
California rose bay,  Coast rhododendron, Pacific rhododendron
Rhododendron macrophyllum
© Gerald and Buff Corsi 2007 California Academy of Sciences
Photos from
CalPhotos / Calflora
Rhododendron macrophyllum
© 2005 Jeremiah Easter
Rhododendron macrophyllum
© 2011 Zoya Akulova
Rhododendron macrophyllum, a dicot, is a shrub that is native to California, is also found outside of California, but is confined to western North America.

Interactive Distribution Map

Observation Hotline
(observation details)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Rhododendron macrophyllum
© 2018 John Game
Genus: Rhododendron
Communities: Redwood Forest, Mixed Evergreen Forest, Douglas-Fir Forest, Yellow Pine Forest

Toxicity: MAJOR

Wetlands: Occurs usually in non wetlands, occasionally in wetlands

Name Status:
Accepted by JEF + PLANTS

Alternate Names:
PLANTS: Rhododendron californicum
More information about  Rhododendron macrophyllum
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Landscaping information from Calscape
Photos on Google Images
Jepson eFlora

Records from the Consortium of California Herbaria

ITIS Original Publication citation


Search the International Plants Names Index

Search (Flora of North America)

website references from Google

Suggested Citation
Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals, including the Consortium of California Herbaria. [web application]. 2018. Berkeley, California: The Calflora Database [a non-profit organization]. Available:   (Accessed: Dec 15, 2018).