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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Prenanthes racemosa (Purple rattlesnakeroot)
Smith, R.W.

Prenanthes racemosa

Prenanthes racemosa Michx.

Purple Rattlesnakeroot, Glaucous White Lettuce, Smooth White Lettuce

Asteraceae (Aster Family)



USDA Native Status: L48 (N), CAN (N)

Smooth White Lettuce (Prenanthes racemosa) has pinkish flowers in a spike, clasping elongated leaves, and yellow bristles.


From the Image Gallery

6 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb

Bloom Information

Bloom Color: White , Pink , Violet
Bloom Time: Aug , Sep


USA: CO , IA , IL , IN , KY , ME , MI , MN , MO , MT , ND , NE , NJ , NY , OH , PA , SD , WI , WY
Canada: AB , BC , MB , NB , NL , NS , ON , QC , SK

Find Seed or Plants

View propagation protocol from Native Plants Network.

Additional resources

USDA: Find Prenanthes racemosa in USDA Plants
FNA: Find Prenanthes racemosa in the Flora of North America (if available)
Google: Search Google for Prenanthes racemosa


Record Modified: 2022-05-05
Research By: TWC Staff

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