Yellow Foxtail

en Español

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Description

Yellow foxtail (Setaria pumila) is a bright green clumping annual or perennial weed common in turf and pasture areas. The seedhead can be distinguished from that of green foxtail because it is thicker, and has shorter bristles. Giant foxtail has the largest seedhead of the three and this seedhead is drooping. In addition, yellow foxtail has hairs on the leaf margins and ligule. Knotroot foxtail is a perennial weed that is very similar in appearance to yellow foxtail, but it has rhizomes whereas yellow foxtail does not.

Cultural Control

These grasses occur infrequently in North Carolina in highly maintained turf but can be common in utility turf, such as along roadsides. Maintaining a dense, healthy turf year round by proper mowing and fertilization helps prevent encroachment and weed establishment.

Species Data

  • SEEDHEAD / FLOWER
  • VERNATION TYPE
    • leaves rolled in the bud
  • LIGULE TYPE
  • GROWTH SEASON / LIFE CYCLE
    • summer annual or perennial weed
  • AURICLE TYPE
    • absent
  • LEAF BLADE TIP SHAPE
    • sharp-pointed; long hairs on upper surface
  • LEAF BLADE WIDTH
    • up to 0.47 inches (12 mm) wide
  • STOLON PRESENCE
    • absent
  • RHIZOME PRESENCE
    • absent
  • COLLAR TYPE
  • SHEATH MARGIN
  • SHEATH TYPE
Yellow Foxtail seedhead
Yellow Foxtail seedhead
Yellow Foxtail seedhead
Yellow Foxtail seedhead
Yellow Foxtail ligule
Yellow Foxtail ligule
Yellow Foxtail auricle
Yellow Foxtail collar
Yellow Foxtail collar
Yellow Foxtail collar
Yellow Foxtail sheath
Yellow Foxtail sheath
Yellow Foxtail sheath
Yellow Foxtail sheath