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Winter annual grass.
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Sometimes called Poa annua.
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Most common winter turf weed; seeds may start to germinate in August.
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Weed of compacted, moist soils and sites which are frequently mowed close.
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Low growing plant with fine stems and leaves.
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Leaf blades are weak and are boat-shaped at tip.
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Grows in clumps which merge into large patches in early spring.
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Whitish-green color seedheads produced below mowing height.
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Dies in unsightly patches in late spring.
Control Methods
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Hand Removal or Hoeing.
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Proper mowing height, fertilization, soil pH, aerification, traffic control.
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Herbicides:
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Preemergence - atrazine*,
simazine*,
pendimethalin, benefin, oryzalin,
dithiopyr, or prodiamine.
(Apply in late summer or early fall).
* Excellent tolerance in centipede
and St. Augustine grass.
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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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