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Green bristle grass

Setaria viridis




Annual loose tuft-forming grass which prefers light soils in warmer locations. The growing of game cover crops may increase the occurrence of this species.

Leaf blade

Hairless, 3-30 cm in length and 4-10 mm wide. The youngest leaf rolled, leaf sheaths nearly hairless.


Plants 16-60 cm in height, nodes often reddish. Stems are smooth with a hollow centre. The spikelets are single-blossomed bearing rough bristles.


Transformed into a crown of hairs 3 mm in length.

Green bristle grass

Green bristle grass young plant

Green bristle grass flower head