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4.5 out of 5 stars Rating: 4.5

2 Reviews | 7 Q&A


{ $115.30 { $112.00
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Weedmaster jug (2.5 gals)

Buy 1: $115.30 each

Buy 2 or more: $112.00 each

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Weedmaster is a post-emergent, selective herbicide that suppresses many different types of broadleaf weeds and brush. From chickweed to pigweed, this product controls more than seventy different weeds that would otherwise thrive in grass forages and crop rows. Using dicamba, Weedmaster retards the growth of the weeds, leading them to their death. Mix Weedmaster with the desired amount of water and spray it over the infested area. The application of surfactants, crop oil concentrates and low levels of liquid fertilizers can be mixed with Weedmaster to improve the control of post-emergent weeds.

Weedmaster Target Pests

Spotted beebalm, broomweed, wild buckwheat, buffalobur, burdock, buttercup, common chickweed, cow cockle, common cocklebur, plains coreopsis, wolly croton, devils-claw, dogfennel, evening primrose, flax, annual fleabane, flixweed, henbit, knotweed, kochia, common lambsquarters, common mallow, marestail, morningglory, mustard, pennycress, virginia pepperweed, pigweed, poorjoe, common purslane, ragweed, lanceleaf western, sedge, sheperdspurse, pennsylvania smartweed, bitter sneezeweed, sowthistle, sunflower, russian thistle, velvetleaf, field bindweed, bittercress, buckeye, bullnettle, chicory, bur clover, common dandelion, southern dewberry, curly dock, elderberry, Missouri goldenrod, Common goldenweed, Texas groundsel, hairy honeysuckle, Carolina horsenettle, poison ivy, knapweed, marshelder, mesquite, milkweed antelopehorn, nightshade, eastern persimmon, prickly lettuce, rabbitbrush, tansy ragwort, redvine, fringed sagebrush, smartweed, red sorrel, sowthistle, leafy spurge, chinese tallow tree, thistle, hairy vetch, yankeeweed, yellow starthistle.

Types of Weedmaster Application

Keep Weedmaster away from open water and avoid applying the product to areas that treated water might run into the water table. You can apply Weedmaster through ground application, banded and broadcast, spot treatment, and aerial applications.

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4.5 out of 5 stars (2)

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  • 1 of 3 people found this review helpful:

    4 of 5 stars  Horse Pasture Use
    By Natalie in Denver, PA on 06/28/2016

    I bought this product after long and extensive research regarding what broad lead herbicide I could safely put down on my active pasture. Two components of this product I really like is that you do not have to pull horses off unless you have broodmares about to or with foal. The second item is that manure and/or compost from horses grazing on treated pasture can be used for flower or vegetable gardens without residual damage. Alsike clover was my target with this application. It took a while to be affected. Broadleaf weeds, like plantain, were the first to take the hit. I'm happy with this product so far and will see how my pastures look come next summer.

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  • 1 of 1 people found this review helpful:

    5 of 5 stars  Weedmaster
    By Ken in Gene Autry, OK. on 09/28/2016

    Fast delivery and product works very well.

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04/09/2017 Irene from Richmond, Tx

QDoes Weedmaster kill dollar weed?


Weedmaster†is not labeled to control dollarweed.

1 of 1 people found this answer helpful.
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08/22/2016 Michelle from Spring Creek, Nv

QWill Weedmaster kill Punturevine?


Weedmaster is labeled for puncturevine. It is a post-emergent, selective herbicide that suppresses many different types of broadleaf weeds and brush including puncturevine.

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04/27/2017 Natalie from Denver, Pa

QCan Weedmaster be tank mixed with insecticides?
My target is ticks and I would like to spray with Permethrin SFR 36.8%.


According to the product label, physical incompatibility, reduced weed control, or crop injury may result from mixing the Weedmaster with other Insecticides, additives, or fertilizers.†

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08/08/2017 Dayne from Cleburne,tx

QDo I need an applicators license to purchase Weedmaster?


If you are applying Weedmaster at your own property, or you are not charging someone to apply, you do not need to have a license to apply it.††

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04/12/2016 Doug from St. Peters, Mo

QWhat is the shelf life for Weedmaster and can you sell it in smaller quantity?


Weedmaster†if stored on a cool dry area will last up to 3 years on the shelf. We do apologize we only sell this product in 2.5 gal jugs.

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05/05/2017 Ken from Sequim, Washington

QWhat is the re-entry period for people and dogs in an outdoor area after using Weedmaster?


As long as you keep pets/children out of the area while you treat and until the product has had time to completely dry or settle it is safe for pets and people to return and resume normal activity

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06/06/2016 Eric from West Jefferson, Nc

QDoes Weedmaster herbicide kill wild strawberries?
I have sprayed with Weedmaster at rate of 1 oz per gallon with no effect. Do I need a higher ratio or something else like Speedzone?


Weedmaster Herbicide is not labeled to control wild strawberries, so we would not recommend it for this use.†Weedmaster†will control blackberry and other vines at higher rates. You would use 2-4 ounces of concentrate per gallon of water to cover 1,000 square feet for vine control. You may need to wait 1-6 weeks to see full results when treating vines.

For wild strawberry, Speedzone would be a great choice. Most herbicides with Trimec will treat this plant, and you will get the best control when spraying plants that are†in the 4-leaf to flowering stage. You can browse all the herbicides we carry for this weed here.

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