Scotts EcoSense Weed B Gon Review – Working In 24 Hours

Yesterday I wrote about the new EcoSense Weed B Gon from Scotts which is to get rid of weeds through spot application on residential lawns.

This selective weed control product was first available just in time for the May 24 weekend back in 2010 within the Greater Toronto Area at all, or most, of the usual home and garden retail outlets such as Home Depot, Lowe’s, and so on.

In our EcoSense Weed B Gon review yesterday, I showed how to use the large 2 Litre bottle and how the liquid is a brownish colour because of the significant amount of iron in the liquid.

So, 24 hours later, do I notice any difference? I mean, can I see it working already?


I’ll focus on a couple of the before and after sets of pictures, using some of the before pictures from yesterday’s article, and then end showing a few more (I only have so much room here icon smile Scotts EcoSense Weed B Gon Review   Working In 24 Hours ).

So, here is the before picture of a dandelion weed along side of a retaining wall immediately after the application of the Weed B Gon product:

weed be gon applied 2 Scotts EcoSense Weed B Gon Review   Working In 24 Hours

And now, the same weed pretty much spot on 24 hours later:

weed b gon one hour later Scotts EcoSense Weed B Gon Review   Working In 24 Hours

It does appear that the leaves have started to shrivel up, which is how this selective weed control product is said to work; that being, per the product Fact Sheet received with the Scotts EcoSense Weed B Gon product, “When weeds are exposed to excessive amounts of iron through their leaves and roots, oxidative damage occurs and the cell walls of the weed are destroyed. The weed leaves dry up, turn black, shrivel up and the weed dies.”

The next set of before and after pictures are of the weed along one side of our lawn. First the before picture immediately after applying the EcoSense Weed B Gon application:

weed be gon applied to weed in lawn edge Scotts EcoSense Weed B Gon Review   Working In 24 Hours

And now, the after picture:

weed b gon one hour later on side of lawn Scotts EcoSense Weed B Gon Review   Working In 24 Hours

Again, significant shrivelling, if that is a word, can be seen in this weed as well in the first 24 hours.

Lastly, here are a few more pictures 24 hours after the application of this new selective weed control product which kills the weeds and not the grass:

weed b gon one hour later 025 Scotts EcoSense Weed B Gon Review   Working In 24 Hours

weed b gon one hour later 026 Scotts EcoSense Weed B Gon Review   Working In 24 Hours

weed b gon one hour later 027 Scotts EcoSense Weed B Gon Review   Working In 24 Hours

Notice in the above pictures that, at least so far after the first 24 hours, the EcoSense Weed B Gon product is indeed impacting the weeds and not the surrounding grass. Not so far.

I have just posted an updated article which you can access here called EcoSense Weed B Gon Review with pictures of this application after a week or so.

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  1. ChuckNorris-QC says:


    I bought the 709ML spray bottle at Rona yesterday. Couldn’t find a bigger container. I’ve sprayed some on a patch of white clover in my front lawn at about 11pm (it was raining before that time and I couldn’t see the other patches).

    This morning, the leaves have started to shrivel up. The grass around is unchanged. I have several other patches of white clover that I just applied it on. I also applied some on a few dandelions.

    So far, so good (fingers crossed). I’ve tried Sarritor fungus earlier this year with out success on all dandelion, white clover and plantain.

  2. shadygrove says:

    Seems to be working well here. I have a yard rampant with weeds, and the ones I’ve managed to hit well have turned black and shrivelled. The ones in more shaded areas seem to have more rotted and fell apart. Again, still waiting to see if they take hold again or not-but so far looks like it has a permanent effect.

  3. Dan says:

    I’ve noticed in some spots the surrounding grass has turned a very dark green.

    Not to sure what to make of it, if anything.


  4. 10e says:

    I bought two 2 litre bottles at the Depot on Saturday the 22nd, and sprayed most of one on my front lawn that day, and by the next day, all the clover and “cottonhead” dandelions I had on the lawn started to shrivel up and turn black. I’ve also since watered, after waiting the pre-requisite three hours until the product becomes water resistant, and the effect has continued, and weeds are still dying.

    Indeed the product works as advertised and it’s nice to think of the fact that I should have a fairly weed-free lawn this summer. now on to the backyard.

  5. Dan says:

    Good to hear, 10e.

    I heard back from the PR firm responsible for this product who tell me that my darkening of the grass around the weed is normal and can occur, yet the grass is fine and once I mow should reveal the ‘regular’ colour of the blades of grass.


  6. I bought some of the stuff but have not applied it as of yet because when I read the directions it said to wet the lawn before applying. I am waiting for the weather to be below 30 celcius and then I am going to wet the lawn and apply the stuff. I have about 4000 sq feet to do. By the way, did you guys wet your lawn before applying the stuff? I think this so that the stuff get to the roots.


  7. Dan says:

    Hi Samuel,

    I did not wet the lawn before applying.

    And, if you re-read the instructions is uses the term ‘wetted’ to indicate not that you should do this only on wet weeds; rather, it means that you should apply sufficient of the Weed B Gon so that the weed itself is ‘wet’ with the Weed B Gon substance.

    Yes, for the next few days you might want to apply it in the evening once the temp’s reach below 30 degrees C.


  8. Thanks Dan.. This is what I found:

    Use Precautions: Do not apply to drought stressed grass; ensure lawn is well watered
    prior to application. Do not apply when the daytime temperature will exceed 30oC. Do
    not apply to bentgrass.


  9. Dan says:

    Hi Samuel,

    To me that would mean that the lawn is not distressed from lack of water, rather than the lawn being recently watered with visible droplets of water.

    In the standard 3 sizes of the application it says not to dilute, so that’s why I’m saying not to have the lawn wet when you apply it.

    At least, that’s my take.

  10. Thanks Dan.. After re-reading you are right. Now I get it.

    Thanks again,

  11. greg says:

    It does seem to work, but not on all weeds by any stretch and you do need to spray a lot of it on the plant to be really effective. I will try it again before I decide for sure one way or the other. The sprayer on ours did not work all that well either, it did not spray every time it was pumped which is annoying and ultimately tiring. This is not a product for larger lots, ours is about 2/3rd of an acre.

  12. It worked well for me. I have a big lot – front, side, back and had to use 4 4-L. I noticed the sprayer did not worked well for me either. What I did use was a 3-Gal chemical sprayer and it worked like a charm. My grass is looking good now and everyone is commenting on it.

  13. Dan says:

    Hi Sam,

    I found that the spray gun on the 2L bottle also did not work as well as it could have.

    However, I am now on my second 2L bottle and the sprayer works much better with much less effort.


  14. vicky says:

    im on my second jug of the stuff. besides having a sore trigger finger, i have no complaints. the stuff works wonders….and my lawn was LOADED with weeds.

  15. Donna says:

    can I use this in my flower garden. spray the weeds around my prennials.
    will this kill my prennials?

  16. Dan says:

    Hi Donna,

    It is meant for weeds within a lawn as it focuses on broad leafed plants.

    I have not seen it recommended for use in any type of garden.


  17. Jay says:

    I am in Canada and I used this Scott’s eco product in June 2010.I find that it is not effective. The leaves of the weed are burnt for a few days then they come right back up.I wasted about $39 plus tax and still have weeds to deal with. The worst thing is that the weeds are still in my lawn and I do not know how to get rid of them except from hiring a landscape company. I did follow the instructions that was no good.

  18. Steve says:

    I am also in Canada and I used Scott’s Ecosense on my lawn last month and it was in brutal shape. We are on metered water, plus severe sprinkling restrictions every year, so we hardly water our lawn at all. Because I have avoided using 2-4D for quite a long time, the lawn was looking pretty much like a salad mix – lots of dandelions and other broadleaves. I applied 4L two times (about 3 weeks apart). I also applied Scott’s Turf Builder Pro after the second Ecosense application. The results have been very satisfactory. Yes, it cost me about $100 altogether, but my lawn once again looks like mostly turf grass, with much less weed. I am planning one more application of Ecosense this fall, then will probably hit it at least once more next season. I’m willing to pay the extra price and allow the time for this iron-based product to use, versus using synthetic chemical herbicide.

  19. Pete says:

    Has anyone had luck using it on CLOVER? How many applications and how long did it take? I have a section of my lawn which is now 50% clover and 50% grass, and wondering whether I should use it or just resod.

  20. Thrifty says:

    I rusted a dozen iron nails in a jar of water for a week or so. Then when the water became orange-brown, I poured a little rusty water on each dandelion plant. Within a couple of sunny days, the plant wilted.
    Cost: $0.

  21. Johnnny says:

    I had the same idea about using rusty water when I was spraying my lawn with the weed-b-gone. I’ll have to give it a try. I have noticed that my dandelions are dying off in the 24hrs. since I sprayed them.

  22. Raymond Davis says:

    I was wondering if weed be gone comes in bottle you can hook up to your garden hose?

  23. Dan says:

    Hi Raymond,
    All I have seen are the pre-formulated jugs.

    They now have the 5 Litre jugs with the improved sprayer for around $32 at Home Depot (I picked up one last weekend).


  24. Scott says:

    Does this stuff work on Creeping Charlie?
    Weedman I believe uses this stuff (iron based) and claim it will get rid of it but i dont trust them. They want about $230 to come all summer (8 times) and guarentee to rid your lawn of weeds. Now I find I can do it myself with this.

    • Dan says:

      Hi Scott,
      This is from Scotts Canada web site re Weed B Gon:
      “Controls – Dandelion, English daisy, False dandelion, White clover, Black medic, Bull thistle, Canada thistle, Common chickweed, Creeping buttercup, Slender speedwell, Narrow-leaved plantain, Dove’s-foot geranium, Lawn burweed, Moss, Alagae. Suppresses Broad-leaved plantain. ”
      So, it mentions Creeping Buttercup but not Creeping Charlie.

      I will also say that when I was speaking with a Scotts rep. earlier this year they indicated they to me that they were were only selling this product retail. Therefore, I would ask for details from the Weedman on exactly what their product, its components….and why 8 times per year (which sounds very excessive IMO).

      I hope this helps,

  25. Karen says:

    WEED B GONE IS HORRIBLE. I used this product on my lawn and now I have to spent a ton of money to get it specially fertilized and another spray to keep the dandelions down.

    My lawn is brown and blotched everywhere and it looks horrible. The bottle reads that some discoloration may occur, however it did not tell me that my lawn would look burnt.

    Does anybody know how I can contact the manufacturers of this stuff?

    Thank you
    Karen H

    • Dan says:

      Hi Karen,
      You are one of the very few people I have heard from who have not experienced the same good results as I have.

      I do not have a contact at Scotts Canada, but I did pick up a business card from an employee at this winter’s Home and Garden show.

      Send me an email ( and I’ll send you the information on his business card so at least you have a contact at the company.


    • Gerard says:

      I agree with Karen. WEED B GONE IS HORRIBLE. I used two bottles of the product on front and back and had the exact same results as she did. My lawn is now full of weeds, creeping charlie, dandelion and burnt in exactly the spots I sprayed the product. I have had to manually remove the creeping charlie’s which has left gaping patches of missing grass. Now my lawn looks hideous. Kill-X was the best, it worked well and didn’t burn my grass. But that’s banned in Canada now. So, it looks like I may have to hire a professional company to come in and fix it. WEED B GONE??? More like GRASS B GONE. Garbage product, should be banned!

  26. Rhea says:

    I can not find directions about how far you need to stay away from trees. Do you know this information, or do you have a phone number I can call to get this information?

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