Customer Reviews for Tenacity Herbicide

I found this size to fir my needs of spraying lawns. Its handier than the large jugs I use for fields. I use a 12ft boom sprayer and set the pump for 20psi and travel 5mph to get me a gal per 1000 sq ft. Calibrate your tips to get this and you can't fail. These containers measure it out for you. So once your sprayer is set with the tips you use and surfactant is added go to it. Can't be any easier. I noticed the water grass (crab grass) turning in 3 days.

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Killed a few weeds. Burned my grass. I was told to use Weed and Feed.

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The kit works fine for a small job. Through reading reviews I found out what my 3 main problems are, bentgrass, nimblewell and crabgrass. I literally had to spray my entire 7,000 square foot yard with a 2 gallon sprayer. Just completed my second application. Planning to do a third application in another 2 weeks then power rake the dead areas and aerate the entire yard before overseeding the yard. First off this is not a fast acting herbicide. After 2 weeks I see it killing more nimble weed and crab grass than the bent grass. It's set back but not dead yet. I wish I would have started 2 weeks earlier, but hopefully in another 2 weeks I see a good kill.

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This product is excellent for killing crabgrass and weeds at their roots. Crabgrass was starting to take over my front and backyard, I stumbled across a video on YouTube. The guy was using a product called tenacity he gave instructions on how to use it properly and it works great!!! I'm going into the almost 3rd week of it and they're starting to turn white and die, it's very easy to use and works really well!!!!

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Awesome product got rid of most weeds very happy with the results.

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Took a couple of weeks, but killed my nutsedge. It should have gone down in to the roots also. We will see if I have it next year or not.

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The weeds were taking over, especially crabgrass, bent grass, dandelions, ect. Other weed killers did'nt work as this product. Easy to mix and use. You just have to be patient before the results are noticeable.

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Excellent product. Used it for the first time this year and my yard looked amazing. Getting the product in a timely manner was frustrating. Twice had a failed delivery due to damage caused leakage. Company blamed shipper. Shipper blamed company. I really don't care who was at fault. Just package it well enough that it gets to the customer the first time.

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First, let me review the company and tell you that they were fantastic and the delivery was very quick. Second, the product worked great. Someone told me about this and I couldn't believe how well it worked.

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package arrived in time specified. Cost was reasonable.

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Together with the High Yield Sticker solution, Tenacity herbicide very effectively killed crab grass with one application. It wasn't immediate, 3 days after application, I wondered if it would work. One wk after application it was very evident, the crabgrass was dieing. The quackgrass however is requiring a 2nd application and maybe even a third in the spring. But no worries there is plenty product in both bottles. Did it spare the grass ? I can't tell, because the quackgrass choked pretty much all of that out.

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I have a large amount of barnyard grass in my cool season lawn. Everyone says to use a half a teaspoon per gallon because that's what's on the syringe. After three applications, spaced about 3 to 4 weeks apart, I still have all my barnyard grass. To be fair, my first application may have gotten above 80° on a few days which is not recommended. My second application seemed perfect, yet nothing really died. Third application seems about like the previous. Grass gets sick, but does not die. I noticed the label says to use 4 to 8 ounces per 30 gallons of water. If I take the midpoint of 6 ounces per 30 gallons that's over 1 teaspoon per gallon, double what the syringe says. Has anyone shot it at a 1 teaspoon per gallon rate? I don't want to give up on Tenacity quite yet. I used surfactant of course too.

  Expert response:
We are sorry to hear Tenacity did not work as expected. Barnyard grass can require a combination of both pre-emergent and post emergent control as well keeping up with overall healthy lawn care. Tenacity works best on newly emerged young weeds more than on mature grassy weeds so timing can be key for post emergent control.

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Works like magic. This is the third time I've used it and have had excellent results. Make sure you follow the instructions as given for it to work.

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These products are working good on my centipede lawn, but as far as keeping the weeds at bay

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Strong southern winds seem to bring in the henbit and dandelions every year - more than the pre-emergent I use (Prodiamine) can handle. My lawn is cool season fescue and bluegrass mix, and after spraying with Tenacity (Mesotrione) the henbit and dandelion population has turned white and the lawn is in great shape. In the past, spot spraying with a dose of weed be gone took several applications for results, this took one application. I used a backpack sprayer with a combination of Tenacity, surfactant, and some bio-stimulants. I've used this for two seasons now, great results!

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Worked like it should! Great results after one application. Fantastic service!

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Bought this to get rid of the crabgrass/goosegrass that had taken over my yard. Have tried other products that did nothing. This was a last hope. It took about 2-3 weeks to see any effect, but the targeted weeds have finally started to yellow. Will have to wait to see if it kills them off. A second application may be needed, but if it gets rid of these weeds it will definitely be worth it.

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Hey. I sprayed the combo of stuff on a side yard that had crab grass, dormant Bermuda, and fescue. It took over a week to notice any changes....long enough to think it didn't work. But then I started to see a yellowing of some of the blades. That has continued. Now I am seeing a few of the yellow blades turn white. I'm waiting for the whole cycle to complete before I spray the whole front yard. Sadly I purchased fescue seed contaminated with the crabgrass so my once beautiful lawn is going to look terrible for a while. But thank to this product I don't have to pull up the crabgrass.

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Not sure when mixed for a small lawn area it can me mixed and applied effectively, as was in my case. Poa annua was the target…. Limited result

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Product worked just like I was told. After first application took about 10 days to start noticing weeds turning white and dying. Better than my lawn service treatment. And, a little goes along way - make sure to read instructions for mixture.

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Last year I put Tenacity on an area that had a lot of Creeping Charley. The mix was left over from the year before but I put it on anyway and after a few months nothing happened. I went to mow the lawn last week and there was no CC. Almost surrealistic how it worked.

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I applied a broadcast spray of my backyard, and spot sprayed my front yard about 14 days ago. All of the weeds have since turned yellow, and whitening up quickly. It has worked exactly as described.

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Everything came as expected. Good product with quick shipping.

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I use this Tenacity to control undesirable weeds and wide bladed grass in my tall fescue lawn. I mix 1 bottle to 30 gallons in my tow behind sprayer. I apply it when my Forsythia bush blooms ( I planted just for that purpose). Bad grass and weeds turn solid white, some fescue takes a whitish tint. Bad grass/weeds die but fescue makes a recovery. Takes about 7 to 10 days to begin to see the effect but this stuff just works.

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Initial results are showing well as directed. Will be following up with and additional application 3 weeks post first application to suppress the last set of new weed growth. No issues.

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Initial results are showing well as directed. Will be following up with and additional application 3 weeks post first application to suppress the last set of new weed growth. No issues.

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Works as advertised. I like the fact that it kills grassy weeds as well as the broadleaf weeds. Be patient, it takes about two weeks to kill the weeds

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My neighbors appreciate the improvement in their lawns with the Tenacity application. I appreciate their weeds not moving to oir lawn

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Finally a product the get rid of clover with out killing the lawn.

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Since I sprayed the kit in my yard. It took a while but the weeds in my yard have all died. So far I am very happy with the products.

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