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Poa annua

annual bluegrass (Poa annua)Poa annua
Common Names annual bluegrass
Family Grass
Flower Color Green
Plant Type Grass
Native No
Weed Yes

annual bluegrass (Poa annua) annual bluegrass (Poa annua) annual bluegrass (Poa annua)

Some people consider Annual bluegrass to be a weed that looks a lot like Kentucky Bluegrass (Poa pratensis) but is much lighter in color and lacks rhizomes. It has light green grass with a boat-shaped leaf tip that resembles other lawn and turfgrass species.

Annual bluegrass begins to emerge in late summer and early fall when night temperatures are in the 60's and moisture is abundant. Annual bluegrass seeds continue to germinate through the fall, winter and spring - a characteristic that makes chemical control more difficult.

To learn how to encourage/discourage the growth of annual bluegrass visit this website: http://www.agry.purdue.edu/turf/pubs/agry9802.htm