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Barnyardgrass

Common Name: Barnyardgrass
Species Name: Echinochloa crus-galli
Family Name: Poaceae

Example of Barnyardgrass Echinochloa crus-galli

A stem of barnyardgrass being held in a hand.
A stem of barnyardgrass being held in a hand.
A stem of barnyardgrass being held in a hand. Copyright Shawn Askew, Virginia Tech.
Barnyard grass stems in a field surrounded by other plants.
Barnyard grass stems in a field surrounded by other plants.
Barnyard grass stems in a field surrounded by other plants. Copyright Shawn Askew, Virginia Tech.
Barnyardgrass stem with three leaves its spikey flower heads at the top of the plant.
Barnyardgrass stem with three leaves its spikey flower heads at the top of the plant.
Barnyardgrass stem with three leaves its spiky flower heads at the top of the plant. Copyright Shawn Askew, Virginia Tech.
Multiple barnyardgrass pointed stems and leaves
Multiple barnyardgrass pointed stems and leaves
Multiple barnyardgrass pointed stems and leaves. Copyright Shawn Askew, Virginia Tech.
Barnyardgrass plants growing on the side of a road.
Barnyardgrass plants growing on the side of a road.
Barnyardgrass plants growing on the side of a road. Copyright Shawn Askew, Virginia Tech.
A young barnyardgrass seelding being held in a hand.
A young barnyardgrass seelding being held in a hand.
A young barnyardgrass seedling being held in a hand. Copyright Shawn Askew, Virginia Tech.
The roots at the bottom of a barnyardgrass weed being held in hand.
The roots at the bottom of a barnyardgrass weed being held in hand.
The roots at the bottom of a barnyardgrass weed being held in hand. Copyright Shawn Askew, Virginia Tech.
Long, bristeled flowers in clumps on the top of a barnyardgrass plant.
Long, bristeled flowers in clumps on the top of a barnyardgrass plant.
Long, <span> </span><span class="kqEaA z8gr9e">bristled</span> flowers in clumps on the top of a barnyardgrass plant. Copyright Shawn Askew, Virginia Tech.
A young barnyardgrass plant that has not flowered being held in hand.
A young barnyardgrass plant that has not flowered being held in hand.
A young barnyardgrass plant that has not flowered being held in hand. Copyright Shawn Askew, Virginia Tech.
 
Plant Facts 
Method of PropagationSeed
Life CycleWarm Season Annual
DurationAnnual

ID Characteristics

  • Seed

    Tan colored seed; arched in side view; short, stiff bristles on lemma; can be awned; light, longitudinal lines on dorsal side

  • Seedling

    Leaves rolled in whorl; smooth, broad, glabrous leaf blades; broad collar; no auricles or ligule

  • Mature Plant

    Mostly erect growth habit; panicle inflorescence with many branches; nearly sessile, one-sided racemes

 
Habitat/Ecology 
Soil PreferenceWarm