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Common Lawn Weeds


Annual
Bluegrass

  • Winter annual grass.
  • Sometimes called Poa annua.
  • Most common winter turf weed; seeds may start to germinate in August.
  • Weed of compacted, moist soils and sites which are frequently mowed close.
  • Low growing plant with fine stems and leaves.
  • Leaf blades are weak and are boat-shaped at tip.
  • Grows in clumps which merge into large patches in early spring.
  • Whitish-green color seedheads produced below mowing height.
  • Dies in unsightly patches in late spring.


Control Methods

  • Hand Removal or Hoeing.
  • Proper mowing height, fertilization, soil pH, aerification, traffic control.
  • Herbicides:
    • Preemergence - atrazine*, simazine*, pendimethalin, benefin, oryzalin,
          • dithiopyr, or prodiamine.

    (Apply in late summer or early fall).

    * Excellent tolerance in centipede and St. Augustine grass. 
     

    • Postemergence - atrazine**, simazine**. (Apply on dormant turf)


    ** Excellent tolerance in centipede and St. Augustine grass. 
         Tolerance in DORMANT  bermuda and zoysia at low label rates. See label for
         appropriate turfgrass.

      Always Read the Label 

Grows in clumps.


Whitish-green color seedheads.
 

 

 

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