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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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Trichostema setaceum (Narrowleaf bluecurls)
Cressler, Alan

Trichostema setaceum

Trichostema setaceum Houtt.

Narrowleaf Bluecurls

Lamiaceae (Mint Family)

Synonym(s): Trichostema dichotomum var. lineare, Trichostema lineare

USDA Symbol: TRSE5

USDA Native Status: L48 (N)


From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Herb
Size Notes: To about 1 foot in height.
Fruit: Nutlets.

Bloom Information

Bloom Color: Blue , Violet
Bloom Time: Aug , Sep , Oct , Nov
Bloom Notes: Flowers blue or violet with spotted lower petal.


USA: AL , CT , DC , DE , FL , GA , IN , KY , LA , MD , MO , MS , NC , NJ , NY , OH , PA , SC , TN , TX , VA , WV

Web Reference

Webref 57 - Atlas of Florida Plants (2020) Institute for Systematic Botany
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

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


Record Modified: 2023-04-07
Research By: Joseph A. Marcus

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