- 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
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Grows in clumps.
Whitish-green color seedheads.
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