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Model #0420050

Store SKU #216208

Weed B Gon 32 oz. Weed Killer for Lawns Concentrate2

  • Rainproof in 1 hour
  • Kills major broadleaf weeds
  • Kills weeds, not the lawn when used as directed
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Product Overview

Ortho Weed B Gon Weed Killer for Lawns Concentrate2 is guaranteed to kill weeds to the root. When used as directed, you can kill over 250+ weeds without damaging your lawn. Ortho Weed B Gon is specially designed for Northern and Southern lawns and may be applied with the Ortho Dial 'N Spray Hose-End Sprayer or any other tank sprayer. See results in hours!
  • Kills dandelions, clover and other broadleaf weeds
  • Won't harm the lawn-guaranteed (when used as directed)
  • Kills weeds to the root
  • Kills 250+ listed weeds (see label for listed weeds)
  • Results in hours
  • View The Home Depot's weed killer buying guide

Additional Resources

From the Manufacturer



Container Size (oz.)32Coverage Area (sq. ft)16000
Product Depth (in.)2.543Product Height (in.)11.563
Product Width (in.)4.77


Application Methodn/aApplication TypeSpray
Area of UseLawnCompatible Grass TypeAll Purpose
Concentrated or Ready to UseConcentratedContact or systemicContact and Systemic
Container typeBottleEmergent TypePre and Post Emergent
Equivalent ready to use amountn/aExtended ControlNon-Extended Control
FeaturesControls Crabgrass,Kills Clovers,Kills Common Weeds,Kills Dandelion,Kills DollarweedFormLiquid
Pack Size1Primary Active Ingredient2,4-D, dimethylamine salt 8.66%, Dicamba 0.37%, MCPP-P, DMA salt 2.13%
Returnable90-DaySafe for EdiblesNo
Spray Application TypeConcentrateWeed TypeBindweed,Bitter Cress,Black Medic,Broadleaf Plantain,Buckhorn Plantain,Bull Thistle,Burweed,Canada Thistle,Cinquefoil,Clover,Cocklebur,Common Chickweed,Dandelion,Dead Nettle,Dog Fennel,English Lawn Daisy,False Dandelion,Field Bindweed,Florida Betony,Florida Pusley,Garlic Mustard,Goatshead,Hawkweed,Heal-All,Henbit,Horsetail,Ironweed,Knotweed,Lambsquarters,Lespedeza,Mallow,Mouse-Ear Chickweed,Mugwort,Mustard,Narrowleaf Plantain,Oxalis,Pennywort,Pigweed,Plantain,Poa Trivialis,Poison Hemlock,Poison Ivy,Poison Oak,Pokeweed,Prostrate Spurge,Puncture Vine,Ragweed,Red Clover,Red Sorrel,Shepards Purse,Smartweed,Speedwell,Spotted Spurge,Spurge,Spurweed,St. Johns Wort,Stinging Nettle,Thistle,Tumbleweed,Virginia Buttonweed,Virginia Creeper,White Dutch Clover,Wild Carrot,Wild Strawberry,Wood Sorrel

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
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  • What are the dimensions of the product?

Customer Reviews

  • 3.7
    out of 1,015 reviews
  • 73%recommend this product
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Showing 1-10 of 1,015 reviews
Killed My Lawn Completely
I don’t know how one bottle of this could kill all my green grass but it did. My grass went from a deep green color to dead. See images
Response from Ortho TeamJul 7, 2021
I would like to apologize for the issues that you had with Ortho Weed B Gon. We would like to rectify this unfortunate situation. We want you to be confident in our products. For this reason, we offer a product guarantee to our consumers. At your earliest convenience, please call 877-220-3089 for assistance. When calling, please refer to this review. ortho
    1 found this review helpful
    Weed and Lawn B-Gon
    We followed directions and sprayed weeds only, here are the results. We have dead patches everywhere, our the is ruined. Do not use this on Saint Augustine Grass! This is just the back, damage front, back and sides as well.
    Response from Ortho TeamMay 8, 2021
    DN2021, we're sorry this happened after using Ortho Weed B Gon Weed Killer for Lawns. We'd like to gather some additional information and assist you with our product guarantee. Please reach out to us at 877-220-3089. ortho
      my grass turn yellow
      I spray on Saturday and on Tuesday my grass turn yellow not weed.
      Response from Consumer Services Oct 28, 2020
      We apologize for the issues you have encountered with Ortho Weed B Gon Weed Killer For Lawns. Applications to certain grasses may cause temporary yellowing or discoloration, but a full recovery can be expected. We would be interested in speaking with you in further detail so that we can both extend to you our guarantee as well as learn more about this issue to make a more complete report to our Quality Assurance Department. We can be reached at http://tinyurl.com/npw4xxd and we ask that you please refer to your review when calling.
        Took some time, but worked well
        [This review was collected as part of a promotion.] I used this product on some stubborn weeds I had in my yard. Within a few days the weeds were dying, but the grass around them was dying as well. It did end up killing some grass, which eventually started growing back after a few weeks. It does work, you just have to be patient.
          • Recommended
          Good Start
          [This review was collected as part of a promotion.] I got this product and sprayed on my Southern Florida lawn in hopes that it would take care of a dollar weed outbreak. It worked to kill the dollar weed initially as shown in the pictures. Later on it also killed most of my grass. Not sure if the grass I had was a weed, but other weed killer did not kill it.
          Response from Consumer ServicesJul 6, 2019
          We are sorry that you have experienced problems with your lawn following an application of Ortho Weed B Gon Weed Killer For Lawns Ready-to-Spray. Damage can occur if products are accidentally over applied or applied to drought and heat stressed turf. This type of damage can sometimes be minimized by watering 1/2 inch every 3 days if rain is not expected. At your earliest convenience, please contact us 1-866-324-9192.
            My LAWN IS DESTROYED! I used the product as directed and believed the marketing ploy that "it doe...
            My LAWN IS DESTROYED! I used the product as directed and believed the marketing ploy that "it doesn't destroy lawns.", this is not true...look at my pics! My lawn was lush with a few weeds that my gardener use to pick up with his hands. Now, all my gardener's hard work is destroyed with this horrible product.
            Response from ScottsCustomerCareOct 23, 2019
            We hate to hear that you encountered issues with your lawn after applying Ortho Weed B Gon Weed Killer for Lawns. There is a safety factor built into the product; however, over application or use on a stressed lawn can cause damage. If you are willing, contact us at 877-220-3089. Scotts
              1 found this review helpful
              Our centipede grass had a lot of weeds that had proliferated during the winter. I've tried powder...
              Our centipede grass had a lot of weeds that had proliferated during the winter. I've tried powdered weed and feed in previous years but that never really helped . This product was easy to apply - just attach to the hose head, and flip the switch to apply the product (there are 3 settings - off, water only, or water+product). Its difficult to know exactly how much to apply - the instructions suggest it'll cover 16000 sq ft on southern lawns, but gives no guide as to how to apply the correct amount. I just walked quickly with wide sweeps, on the basis that I could apply more with another pass. After doing about 3000 or more sq ft I'd used about a quarter of the bottle, so I probably over applied. Its about 3 weeks later and the good news is that the grass seems unaffected and many of the weeds either died, or have turned yellow and look like they are on their way out. The grass is fine and lots of new growth as the thatch from the winter is disappearing. Quite a few weeds remain, but its definitely helped, hence my 3 stars. I may try another application in a couple more weeks.
                • Recommended
                I did a couple of test areas where I had grass and weeds. The first time I didn't smell any chemi...
                I did a couple of test areas where I had grass and weeds. The first time I didn't smell any chemical so, after reading some reviews, I decided to try again. The second time,, about a week ago, I did get a chemical smell so I did a couple of 10x10 foot test areas and used a little less than a quarter of the bottle. The good news is that it didn't kill any of the grass. The bad news is that the only weeds that died were the ones that I pulled up by the roots. I don't know what weeds Ortho claims to kill with this product but I must not have any of them in my yard...unless they're going to die of old age. Hopefully, I can still get a refund and get something that works on my Florida lawn.
                Response from ScottsCustomerCareNov 26, 2018
                We are sorry that you are disappointed with your purchase of Ortho Weed B Gon Weed Killer For Lawns. Colder and fluctuating temperatures can slow down the weed control, however it will still work. We would be interested in speaking with you further about this so that we can learn why the product may not have worked. If you would be willing, we ask that you call us at 877-220-3089 and refer to your review so that we can make a more complete report to our Quality Assurance Department. Scotts
                  4 found this review helpful
                  The only one to by
                  [This review was collected as part of a promotion.] This is the handiest way to kill spring weeds. If you are worried about seeds you put out don't the seed won't come up but killing weeds will allow the grass to thicken, It is worth more than the price it handy to hook up to the water hose but most of all it will help you start a Scotts yard.
                    • Recommended
                    Worked as expected !
                    [This review was collected as part of a promotion.] Easy to use , effective weed control product. it can be used in a pump sprayer but I used the Ortho hose end sprayer ( screwed right on it ) for my application , I got my whole front yard sprayed in less than 20 min start to finish. The fun part was waiting for the weeds to die . As you can see in my pictures (1 week later ) It did work !
                      • Recommended
                      Showing 1-10 of 1,015 reviews