Customer Reviews for Tenacity Herbicide

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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Well fellas I had the great idea to skip pre emerge to see if I really needed it. Unfortunately the clover and crabgrass loved this. It grew everywhere. Saw this product on you tube video. Bought the surfactant and die also. It killed all the weeds with a vengeance. Only thing you have to be patient. 1st week the weeds just laughed. 2nd week the weeds began looking like it got their attention. By third week they turned white and were dead. Now Bermuda grass coming up and weeds are no longer a problem.

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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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Weeds seem to start recovering after about 10 days. If you wait 3 weeks the weeds will be mostly recovered. Even 2 weeks seems too long for a follow up app. This stuff really uglies up the lawn for quite a while too. The best thing about it, is it highlights problems so you can zap them with something else that works better. For example, it highlights crabgrass so you can zap it with XLR8 or something better. If it's something that not much else treats, like nimblewill, it probably needs to be reapplied more frequently than suggested.

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0 of 1 people found this review helpful

First time using this. Three weeks later the crab grass is turning white as snow and dead in some areas. Reapply in two more days. I think this is going to work

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in my area this product is hard to come by. I got it here at a good price and it arrived quickly.

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Kills over 45 weeds and works post /pre emergent. Stop wasting your money on other things that don’t work. If u looking for cool season this is your stop. So glad I found this website and product .

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The only thing I have used that kills actively growing crabgrass and I have tried almost everything on the market. I bought this house in the woods about 4 years ago. I have no illusions of having a golf course type lawn but I am not growing weeds and Tenacity is another item to use in my battle against weeds.

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Had several areas of unwanted grass. This did the job!!!!

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