Customer Reviews for Tenacity Herbicide

As with most folks, I was expecting to spray one day and see dead weeds the next day. Well, it didn't work quite that fast but within 2 weeks all of the clover was dying. I haven't looked for or seen any crabgrass and there are still some dandelions here and there. I will apply again when its time. There is enough left for at least one more application. Clover was my biggest problem, and that problem has been handled. If the second application gets rid of my other problems than this product deserves 5 stars.

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Creedmoor NC , tall fescue and RTF fescue lawn . 2 gal sprayer over entire lawn, rain followed three days after . Weeds faded after two weeks , some minor bleaching of fescue . Bleaching of Orchard grass and Creeping Red fescue is more visible and fine if it retards their growth.Follow up spray may not be needed.

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I live in SC and have used other less effective home ceneter products for years. This has been very effective against the tenacious crab grass and a lot of other weeds. I highly reccomend this over the gneral products that you find at a home center.

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The products came packaged very secure. I was happy that the tops were reinforced and secured with bubble packing. Very nice and exactly as described. I mixed it and used just as instructed. I am excited to see the weeds start dying.

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I initially thought this product wasn't going to work because I mixed it with Speedzone and the speedzone worked practically overnight. But in about 7-10 days I saw the results towards the grassy weeds. It took them out completely. Have to use it when's it's cool if you are in warmer weather. A must have in your weed killing arsenal.

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Used Tenacity with speedzone on 1 acre of my 2 acres as a test in September. Spring of this year I have zero dandelions in the 1 acre I used it in!! Worked amazingly and I just ordered a second bottle for this year and will be using it yearly!! 100% recommend

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Well I'm not sure if how good it really is. I applied it once two weeks ago and am just now seeing some results but very slightly. It wasn't supposed to rain the next day after applying to lawn. But it did. And it keeps on raining. Am going apply second treatment as soon as I can get a break from the rain.

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First off shipping was fast and package was safe. Tenacity kills everything but grass if used as directed. Be safe and trust the process. Thanks

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Doing a dance in my front yard. No more stickers!! Love this combo.

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1st time order. Used 1 time working so far. I can't say if I will have to spray again. Waiting to see.

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It took over a week to work. Just follow the directions it only takes a small amount. Great stuff.

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It took over a week to work. Just follow the directions it only takes a small amount. Great stuff.

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I've been using it for about a week now and I can already see great results!

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This stuff is good 4oz to 15 gallons of water on about a acre.

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All the annoying plants in my yard are now dead. Only grass remains.

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Order delivered without hitch. Reviewed FAQ and had answers to all questions. First application was ranging shot to make sure the grass didn't die and weeds did. After two weeks the white weeds are proof this is what the lawn needs. Ready to give the entire lawn a dose. First time using indicator dye--works great! Will use that in all future sprays!

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Works good on crabgrass. Plus some other undesirable weeds.

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Works exactly as expected/advertised. I'll probably buy a bigger set next time as I have a ton of yard. Seemed like I went through it fast but when I did the math it was totally what they said it would be.

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I'm surrounded by crabgrass on 3 sides. It doesn't matter now thanks to Tenacity. Been using it 3 years now and plan to continue. I even got the added bonus of it working on yellow nutsedge as well. I can't imagine being without it again. Thank you Syngenta!!!

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Great product, a little preparation-intensive, but works well on creeping charley, nimblewill, and yellow nutsedge!

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Purchased and applied as directed. All it did was turn the crabgrass white while fresh green crabgrass grew around it. A total waste of time and money. Don't even want to give it away so someone else. Dont want to waste their time on it. Better off to buy something from menards or lowes that works as advertised.

  Expert response:
We apologize you did not achieve the intended results. We would welcome the opportunity to troubleshoot the application to help get you the results you need. Please contact us at your earliest convenience!

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Great product that is easy to work with. I used it as a post emergent first and began to see initial results on day 3. A lot of whitening visible by day 7. It is the only preemergent that can be used while seeding your lawn so a big plus for me since I over seeded all of the dead spots in my lawn that were overtaken by the weeds I sprayed.

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took out crabgrass and creeping charlie without damaging my lawn

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We have been battling strange weeds for years and this is clearing them up.

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This products takes some time to kill the plant but it does the job effectively... just don't anticipate an "instant kill" like some other products.

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I loaded up a field king backpack sprayer with tenacity, surfactant, and dye as directed. You definitely need to die or you have no idea where you sprayed. One pass did a lot of damage to the crab grass, even pretty established plants, with no damage to the lawn. I'm very pleased with it.

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This is my first time using Tenacity. The primary reason is to kill the Creeping Charlie that has started invading my lawn. I made a 2 gallon batch according to instructions. Tenacity 1 tsp., dye 1 tsp., and surfactant 3 tsp. . After watching several you tube videos, I was careful to not over apply. After 1 week the grassy areas have turned white, but the Creeping Charlie is barely affected. I am prepared to make additional applications according to need. I am aware this could take a couple of months so I am not disappointed at this time. Bob S.

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This product worked as advertised. Definitely impressed and glad I purchased it for my tall fescue grass and herbicide control.

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We have tried everything to rid of crabgrass, without killing the lawn...or our neighbors' dogs. Nothing really did the trick. Out of sheer desperation, we tried Tenacity, It works like a charm! Just one teaspoon in 2 gallons of water.

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Easy to mix, the directions on the bottles are pretty clear. The dye washes off with water so don't be alarmed if you get it everywhere. At first I didn't think it was going to work but after about a week all my crabgrass turned white, so be patient. Overall I satisfied with the results.

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