Common Name: foxtail, green
Species: Setaria viridis (L.) Beauv.
Bayer Code: SETVI

Green foxtail is a bright green clumping annual weed common in turf and pasture areas. The seedheads can be distinguished from those of other foxtails because they are smaller and greener with long hairs. Yellow foxtail has a wider seedhead, with shorter bristles. In addition, yellow foxtail has hairs on the leaf margins and ligule. Giant foxtail has the largest seedhead of the three and this seedhead is drooping.
green foxtail
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green foxtail seedhead
green foxtail
green foxtail seedhead
green foxtail
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CharacteristicTypeDescription
Seedhead / Flower spikeseedhead a soft spike, oval in shape and long hairs on each seed.
Vernation Type rolledleaves rolled in the bud
Ligule Type fringe of hairsdense fringe of hairs, 0.03 - 0.04 inches (0.8 - 1 mm) long
Growth Season / Life Cycle summer annual weed 
Auricle Type absent 
Leaf Blade Tip Shape sharp-pointedflat, not hairy, slightly rough
Leaf Blade Width  up to 0.5 inches (12 mm) wide
Stolon Presence absent 
Rhizome Presence absent 
Collar Type dividedhairy on edges
Sheath Margin split with overlapping marginsedges hairy
Sheath Type flattenedsheath is not hairy