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Target Pests

Atrazine 4L Herbicide will control Bluegrass (Poa Annua) Chickweed (Common and Mouseear), Crabgrass, Cransbill, Cudweed, Dichondra, Florida Betony, Henbit, Knotweed, Lespedeza, Moneywort, Mustards, Narrowleaf Vetch, Parsley-Piert, Smutgrass, Spurge, Spurweed, Swinecrest, Woodsorrel, and various annual clovers.,

For Use In

Please consult the Atrazine 4L label for specific use instructions.,


Applications of Atrazine 4L Herbicide should be made only with with conventional compressed air garden sprayer equipped with a flat fan spray tip.

Correct calibration of sprayer is essential. Overdosing will cause severe plant injury and or death of the desired turf. Insufficient application may not give anticipated weed control. Hose-end type sprayers are not recommended because of difficulty with precise calibration and application. Atrazine 4L Herbicide is both a pre-emergent and post-emergent herbicide

BERMUDAGRASS, CENTIPEDEGRASS, ST. AUGUSTINEGRASS, AND ZOYSIA GRASS To control annual bluegrass, burclover, carpet burweed, chickweed, corn speedwell, henbit, hop clover, and spurweed, make application after October 1, prior to emergence of winter annual weeds. Annual bluegrass will be controlled even if it is emerged at time of treatment. To control summer annual weeds such as barnyardgrass, witchgrass (Panicum capillare), yellow foxtail, green foxtail, wild oats, large (hairy) crabgrass, velvetleaf, morningglory, lambsquarters, ragweed, nightshade, purslane and mustard, apply Atrazine 4L in late winter before the weeds emerge. Apply in a minimum of 15.0 gallons of water per acre or 1.0 gallon per 1000 square feet. 

Coverage Area

Coverage area of atrazine herbicide varies upon type of application.

Time to Kill

Atrazine 4l herbicide begins to work immediately.

Mix Rate

The mix rate for Atrazine 4L is between 1 and 2 ounces per gallon of water.

Active Ingredient

Atrazine 40.8%

Atrazine 4L Herbicide

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Atrazine 4L Herbicide

Atrazine 4L herbicide controls many annual and broadleaf grass weeds. Atrazine 4L may be applied before or after weeds emerge.
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