Rhododendron columbianum Calflora

Calflora, a 501c3 non-profit

Taxon Report

Rhododendron columbianum (Piper) Harmaja

Western labrador tea

Rhododendron columbianum is a shrub that is native to California, and also found elsewhere in western North America.

also called Ledum glandulosum


	Plant Range Observation Search ~1003 records in California Plant Characteristics

Bloom Period

Photos on Calflora


Genus:	Rhododendron
Family:	Ericaceae
Category:	angiosperm
PLANTS group:	Dicot
Jepson eFlora section: eudicot

Toxicity: Do not eat any part of this plant.

Wetlands:
Arid West: Occurs usually in wetlands, occasionally in non wetlands
Mountains, Valleys and Coast: Occurs in wetlands

Communities: Closed-cone Pine Forest, Red Fir Forest, Lodgepole Forest, Subalpine Forest, Mixed Evergreen Forest, Alpine Fell-fields, wetland-riparian

Name Status:
Accepted by JEF + POWO

Alternate Names:


JEF	Ledum glandulosum
PLANTS	Ledum Xcolumbianum
PLANTS	Ledum

Information about Rhododendron columbianum from other sources


Nursery availability from CNPLX This plant is available commercially. Jepson eFlora Photos on Calflora Photos on CalPhotos Google Images Photos on iNaturalist ID Tips on PlantID.net	International Plants Names Index Search efloras.org (Flora of North America) Landscape information from Calscape Consortium of California Herbaria 2 Search the Native American Ethnobotany Database	Add an Observation Location Suitability Planting Guide Distribution by County
Learn more about Rhododendron columbianum: Rhododendron columbianum Jepson video: (link added by Mary Ann Machi) photos / record / common / links

Suggested Citation

Calflora: Information on California plants for education, research and conservation, with data contributed by public and private institutions and individuals. [web application]. 2025. The Calflora Database [a non-profit organization]. Available: https://www.calflora.org/ (Accessed: 03/28/2025).