Monterey Weed Whacker RTS

Monterey Weed Whacker RTS

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Product Overview

Monterey Weed Whacker RTS is a three-way herbicide for use on turf and non-crop areas to control broadleaf weeds like spurge, oxalis, dandelions, and others. The concentrated formula is an economical way to kill unwanted broadleaf weeds in warm and cool climates, and the ready-to-spray formula makes application simple.

Features and Specs

Active Ingredient 2,4-D, dimethylamine salt 4.55%, 2,4-DP-p, DMA salt 2.26%, MCPP-P, DMA salt 2.3%
Target pests Box elder, Bull thistle, Carpetweed, Chickweed, Clover, Dandelion, Flixweed, Plantain, Poison ivy, Poison oak, Purslane, Ragweed, Spurge, Sumac, Thistle, Wild garlic, Witchweed and others
* See label for complete list
For use in Residential Cool & Warm-Season lawns and non-crop areas
Application Ready-to-Use Hose-end Sprayer formulation
* See label for complete application instructions
Pet safe Yes, if used as directed on label - Safe when dry
Coverage Area 10,000 sq. ft. for Cool Season grasses
20,000 sq. ft. for Warm Season grasses
Shipping Weight 2.47 lbs
Manufacturer Monterey Lawn & Garden (Mfg. Number: LG 5288)
UPC 022179103696
EPA Registration 228-181-54705



Cool Season Grasses:

Such as Bluegrass, Fescue, and Rye: To kill Dandelion, Wild onion, Pennywort, Plantain, Healall and similar weeds: use 8 to 13 fluid ounces in 6 gallons of water and apply with pump or hose-end sprayer or sprinkling can to 2,500 square feet of lawn. For smaller areas - use 3 teaspoons in 2 quarts of water applied to 100 square feet.

To kill undesirable weeds such as Thistle, Bindweed, Dock and Ragweed, use 8 fluid ounces in 6 gallons of water (or 3 teaspoon in 2 quarts of water), and apply directly to plants, wetting them thoroughly.

To kill undesirable plants such as Poison ivy and Poison oak, use 2 fluid ounces in 1 quart of water and drench plants when they are fully leaved. Repeat in about 4 weeks if necessary. Certain hard-to-control weeds such as Poison ivy, Poison oak and English daisy may require a Fall application.

Warm Season Grasses:

St. Augustine, Bahia, common Bermuda, Centipede, Zoysia, also for Bent: Use a one-half rate which is 4 to 6 1/2 ounces in 6 gallons of water to treat 2,500 square feet (3 teaspoons in 4 quarts of water applied to 200 square feet). Make two applications 30 days apart. Do not spray grasses if stressed from heat, drought, etc. Slight turf yellowing should disappear after about 1 week.

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Would Weed Whacker RTS work best to kill English ivy?

There is a patch of english ivy under some pine trees in ga. would like to get rid of it.


Weed Whacker would be a great product to treat for English Ivy around the trees. All you have to do is hook it up to your water hose.

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Is Monterey Weed Whacker RTS safe to use on the lawn?

Will it kill the grass?


Monterey Weed Whacker RTS is safe for use on Residential Cool & Warm-Season lawns when applied as directed on the product label.

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