Polaris AC Weed Killer Herbicide

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Polaris AC herbicide is an effective treatment for broadleaf weeds, brush and grasses in forestry sites. Although it's hard on weeds, it's soft on seedlings and young trees. It improves the survival rate of conifer seeds and controls low-lying brush from preventing growth. This herbicide also works well with compatible tank mixtures and lowers potential fire risks by reducing fuel loads. If you need an effective herbicide for targeting the toughest hardwoods and broadleaf weeds, check out Polaris AC.

How Polaris AC Herbicide Works

With isopropylamine salt of imazapyr as its active ingredient, Polaris AC herbicide targets brush and invasive grasses that steal nutrients from desirable plants and trees. It acts as a nonselective herbicide and inhibits amino acid synthesis in the weeds, thus resulting in their death. However, Polaris AC does not kill on contact; instead, the weeds die slowly as they absorb the active ingredient through their tissue and roots.

Where to Use Polaris AC Herbicide

Use Polaris AC herbicide in forestry sites to protect vegetation from bramble and grasses. You can disperse it with aerial applications, such as helicopter spray equipment, or apply it with ground booms. Apply Polaris on cut stumps using an injection method or on herbaceous weeds as a spray. It protects young trees in agricultural fields and reforestation sites, giving new trees the chance to grow without competing against grasses, broadleaf weeds, vines and brambles.

Polaris AC Target Pests

Whether it's dandelions or poison ivy, Polaris AC herbicide kills tough weeds and vines and gives new seedlings room to grow. Use it to kill quackgrass, smooth brome and wild barley, and apply it to bull thistle, giant ragweed and wild roses. It controls a variety of weed species throughout the landscape, such as:

  • Annual bluegrass
  • Cattail
  • Fescue
  • Horseweed
  • Milkweed
  • Primrose
  • Wild carrot

Polaris AC also controls tough vines and brambles such as honeysuckle, Virginia creeper, Macartney rose and wild buckwheat.

Polaris AC Features and Benefits

  • Provides long-term, broad-spectrum weed control
  • Protects against broadleaf weeds, grasses, vines and brush
  • Useful as a tank-mix partner with other compatible herbicides
  • Improves conifer seedling survival

Restrictions for Use

  • Avoid spraying on food and feed crops.
  • Do not treat weeds in irrigation ditches.
  • Do not apply near sensitive plants; refer to the label for more information.

Eliminate Hard-to-Kill Weeds With Polaris AC Herbicide

With Polaris AC herbicide, you can stop invasive weed growth and give your trees an opportunity to grow healthy and strong. The active ingredient targets weeds without risking damage to new seedlings and young trees. You can use this herbicide in reforestation areas where competing weeds and vines grow rampant. For maximum control of weeds on your site, go with Polaris AC herbicide to eliminate the problem.


It is a violation of Federal Law to use this product in a manner inconsistent with its labeling. For any requirements specific to your State or Tribe, consult the agency responsible for pesticide regulation.


For additional information on this product please reference the Material Safety Data Sheet and Product Label listed below.

Active Ingredient(s)

Isopropylamine salt of Imazapyr 53.1%

Target Weeds

Broadleaf weeds, annual grasses, perennial grasses, brush, vine

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