Taxon  Report   9705 
Asclepias tuberosa  L.
Butterfly milkweed
Asclepias tuberosa
© 2003 Jeff Abbas
More photos from
CalPhotos / Calflora
Asclepias tuberosa
© 2003 Lisa Powers
Asclepias tuberosa
© 2006 Louis-M. Landry
Asclepias tuberosa, a dicot, is a shrub that is not native to California.

Interactive Distribution Map

Observation Hotline
(observation details + photos)

point, line, or polygon

Plant Characteristics
and Associations

Bloom Period
Asclepias tuberosa
© 2009 Barry Breckling
Genus: Asclepias
Subspecies and Varieties:
Toxicity: MINOR, DERMATITIS   [California Poison Control System 2010]    
Distribution by County 

Add an Observation of  Asclepias tuberosa

Name Status:
Accepted by ICPN + PLANTS
More information about  Asclepias tuberosa
Nursery / seed vendor availability from CNPLX
This plant is available commercially.
Photos on CalPhotos / Google Images

Records from the Consortium of California Herbaria


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: Jul 18, 2018).

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