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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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Setaria magna (Giant bristlegrass)
Romfh, Peggy

Setaria magna

Setaria magna Griseb.

Giant Bristlegrass

Poaceae (Grass Family)

Synonym(s): Chaetochloa magna

USDA Symbol: SEMA6

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


From the Image Gallery

5 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Annual
Habit: Grass/Grass-like
Fruit Type: Caryopsis
Size Notes: To about 12 feet in height.

Bloom Information

Bloom Color: White , Green
Bloom Time: Jun , Jul , Aug , Sep , Oct , Nov


USA: AL , DE , FL , GA , LA , MD , MS , NC , NJ , NM , SC , TX , VA

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.

Additional resources

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


Record Modified: 2022-09-29
Research By: JAM

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