Roundup was a revolutionary new herbicide, or weed killer, when it hit the market in the 1970s. It and other pesticides that contain the active ingredient glyphosate are the most widely used herbicides in the world. Recent research has produced conflicting evidence as to whether these pesticides cause cancer in people exposed to them.


Roundup is the brand name of a systemic, broad-spectrum glyphosate-based herbicide originally produced by Monsanto, which Bayer acquired in 2018.  Glyphosate is the most widely used herbicide in the United States. As of 2009, sales of Roundup herbicides still represented about 10 percent of Monsanto’s revenue despite competition from Chinese producers of other glyphosate-based herbicides. The overall Roundup line of products, which includes genetically modified seeds, represented about half of Monsanto’s yearly revenue.[  The product is marketed to consumers by Scotts Miracle-Gro Company.

Roundup is a brand-name herbicide that contains the active ingredient glyphosate. Monsanto, an American agricultural chemical company, first sold the herbicide commercially in 1974. It produced a wide range of weed killers and other products under the Roundup brand. German drug and chemical giant Bayer acquired Monsanto in 2018 and began phasing out the Monsanto company name. But Bayer continues to make and market Roundup.

Features of Roundup Weed Killer

  • Kills the toughest weeds and grasses to the root. Guaranteed!* *Consumer Guarantee: If for any reason you are not satisfied after using this product, simply send us original proof of purchase and we will refund the purchase price
  • For use in a tank sprayer
  • For use around flowers, shrubs and trees; on patios, walkways, driveways, gravel areas and mulch beds; along fences, edging and foundations; as well as large areas such as lawn replacements or garden plot preparation Not for use around existing edibles
  • Rainproof in 30 minutes
  • Visible results in 12 hours with FastAct Technology

Uses/benefits of Roundup Weed Killer

Ideal for Large AreasRoundup brand concentrate products offer additional value and are great for treating larger areas. Use of a Roundup branded tank sprayer is recommended and available in several sizes.Economical Way to Treat WeedsSimply add water to the amount of concentrate called for on the label — easy, effective and economical to treat large areas. Mix according to directions.-32 fl. oz. (1 quart) covers up to 3,000 sq. ft. -16 oz. covers up to 1,500 sq. ft.Kills Weeds to the Root!Apply when weeds are actively growing. For best results, apply during warm, sunny weather (above 60° F). Weeds usually begin to wilt within 12 hours and complete kill in 1 to 2 weeks. Always read and follow label directions.


Product Dimensions2.43 x 4.75 x 11.18 inches
Item Weight2.8 pounds
Item model number5100610
Customer Reviews4.7 out of 5 stars    5,240 ratings
4.7 out of 5 stars
Best Sellers Rank2,190 in Patio, Lawn & Garden
20 in Weed Killers
Is Discontinued By ManufacturerNo

Prices of Roundup Weed Killer

$31.99 – $110.99

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