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Annual bluegrass - Poa annua L.
Weed Identification in Nurseries and Landscapes > Annual bluegrass
Annual bluegrass seedhead.
Annual bluegrass clump.
Annual bluegrass leaf tip.
Boat-shaped leaf tip of annual bluegrass.
Life cycle: Clump-forming winter or summer annual.

Leaves: Hairless, soft, light green leaves are folded in the bud and lack auricles. Leaves have linear margins (sides parallel) and distinctive boat-shaped tips.

Ligule: Slightly pointed membranous ligule.

Stems: Upright, bending, up to 1-foot-tall stems are clump-forming, enlarge by tillering and may root at the lower nodes.
Annual bluegrass clump.
Annual bluegrass clump.
The MSU IPM Program maintains this site as an access point to pest management information at MSU. The IPM Program is administered within the Department of Entomology, fueled by research from the Michigan Agricultural Experiment Station, delivered to citizens through MSU Extension, and proud to be a part of Project GREEEN.
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Updated: 10/12/07