Yellow Foxtail
Grasses of the Eloise Butler Wildflower Garden

Common
Name

Scientific
Name

Plant
Family

Garden
Location

Height

Prime
Season

Yellow Foxtail

Setaria pumila (Poir.) Roem. & Schult. ssp. pumila
Poaceae (Grasses)
Upland
.5 to 4 feet
July to September
Native Status
Yellow Foxtail or Pearl Millet, is a non-native European grass that is spread throughout the United States and the lower Canadian Provinces. It is widespread in Minnesota.
Notes
Yellow Foxtail is an annual grass with erect or low-lying stems, growing from fibrous roots in open places and in cultivated areas. It is generally considered weedy and unwanted. Leaf blades are up to 1/2" wide (12mm) and up to 10" (25cm) long. Blades can be flat or V-shaped, twisted, drooping, distinctly veined, slight rough to smooth on upper and lower surfaces and with long twisted hairs near the base of the upper surface. Blades of ssp. pumila are yellowish-green. The flowering head is tightly packed cylindrical shape containing the spikelets, which have bristles and the bristles on the spikelets of ssp. pumila are yellow and 3 to 3.4mm long. The other major subspecies, ssp. pallidefusca, has reddish bristles and the spikelets are 2 to 2.5mm long, but that subspecies is not found in this area.
Yellow Foxtail
Yellow Foxtail Drawing
Above and top left: Mature seed heads of Yellow Foxtail. Photos ©Phoebe Waugh.
Above: Drawing of Yellow Foxtail courtesy USDA-NRCS PLANTS Database / Hitchcock, A.S. (rev. A. Chase). 1950. Manual of the grasses of the United States. USDA Miscellaneous Publication No. 200. Washington, DC.
Below: A plant specimen of Yellow Foxtail, photo ©Anna Gardner, Iowa State University.
Below: Detail of the flowering head of Yellow Foxtail prior to maturity. Photo ©Patrick J. Alexander, USDA-NRCS Plants Database.
Yellow Foxtail Plant specimen
Yellow Foxtail Seedhead
 
 
Notes: This grass is indigenous to the Garden. Eloise Butler catalogued it in her early Garden records.  
     
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References: Plant characteristics are generally from sources 28c, W2, W3, W5 & W6. Distribution principally from W2 and W1. Planting history generally from 1, 4 & 4a. Other sources by specific reference. See Reference List for details.  
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