Turf Weeds was developed to provide weed management information and newsearch reports to turfgrass managers.  This site contains information on weed identification, chemical and cultural management of weeds, and current topics relevant to weed management in lawns and professional turf.  Turf Weeds was created  by Dr. Shawn Askew, Assistant Professor of Turfgrass Weed Science at Virginia Polytechnic Institute & State University.
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Plant Description:
Name:green foxtail
Scientific Name:Setaria viridis
Family:Poaceae
Type:Grass
Lifecycle:Summer Annual
Habit:Pants germinate in spring and compete with crops during summer. Seed production starts in mid to late summer. Reproduces by seed. Plants grow in clumbs and lack stolons or rhizomes.
Leaves:Leaves are light green and completely lack hairs. Ligule is fringed with hairs.
Leaf Arrangement:Rolled in bud
Characteristics: Ligule is hairy, entire plant lacks hairs. Plants lack auricles and do not have stolons or rhizomes. Plants have characteristic "foxtail" seed head.
Flower Seed Head:
A bristly spike on the end of a long, slender, naked stem. Seedhead is typically short and does not nod.
Seed Fruit:
Seed are 3 to 5 mm long and covered with upper and lower sheath (palea and lemma) that have pronounced veins. Seed often have bristles that arise from the scar. These bristles may or may not be present.
Where Found:
Typically found in cultivated areas following a tillage event. May occur in open areas such as the border of rock driveways or in highly disrupted turfgrass.

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