Customer Reviews for Tenacity Herbicide

We had some areas of our yard full of crab grass. We sprayed it over the areas and all of the weeds turned white after about 8 days. Grass is already starting to take over the areas and it's been about 3 weeks. This product works so well and we only had to spray once.

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My lawn looks terrible. Full of polka dots of dying grass The weeds and crabgrass seems to be dying too however this is primary showing season for my lawn, but it looks like crap. The directions say J can apply follow up to get stuff I missed, but I really don't want my lawn to look so bad for the rest of the growing season. I know centipede is delicate, but, I'd rather rather pull the weeds myself.

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0 of 2 people found this review helpful

Mallard was infested with crab grass. Three days after I applied the product I started to notice all the crabgrass turn white. Buy one week everything was dead aside from my grass. Got a nice built in pre emergent too!

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Do My Own had the best price and delivered the product in a quick time and as expected. Couldn't ask for more. After one application a lot of Bentgrass is dying out and a few other stubborn weeds. Two more applications should have me set.

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used as directed post emergent with a surficant ( dawn dish soap ) 3-5 days most crabgrass was white or turning, going to mow, wait 2 days then apply 2nd application. My yard has never looked so good. DO NOT USE THE SYRINGE THAT COMES WITH IT ( mine was junk / sticks / hard to use ). I wanted to knock 1 star for the syringe but the product itself did exactly as claimed.

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I have read some of the negative reviews, and it makes me wonder if they are mixing incorrectly, applying incorrectly, or using expired product. Our lawn (perennial rye) developed significant crabgrass patches. Sprayed with Tenacity mixed with a NIS, and in just under 7 days, crabgrass went white as expected. Awaiting second application, and looking forward to hopefully a crabgrass free lawn next spring. BTW, we had broadcast a dry pro-brand pre emergent, but apparently too late.

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It took a few days to kick in but after a week crab grass is starting to die. It also looks like it took care the nutsedge grass too. An added bonus.

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Fast easy reliable service. The verdict is still out on the effectiveness of Tenacity. One week since spraying dandelions in my lawn not quite sure of results. Have tried other products that killed them quicker but also got the lawn as well.

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Worked great within 2-3 days I could see my crabgrass had turned white and died off. Works better than any store bought herbicide I have used.

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Had no idea that my lawn is full of weeds until recently i started looking up lawn care and came across Tenacity. One application is all worked for my lawn, 80% of the lawn turned white in 5 days and all weeds gone in 9 days.

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Turned the creeping bent grass white in approximately one week. Only gave 4 stars due to the possibility of this invasive grass returning. So far so good.

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Works really well kills crab grass and vaporizes it to a dead white like it's supposed to do. No more photosynthesis so weeds turn white. Much better than OTC weed killers.

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so far so good with the nutsedge. Let you know in a week or two.

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First I was thought I made mistake to buy this product. After 2 weeks it shows magic result, can't even believe it kills from the root. I had very nasty weed the backyard now everything is gone. Even save lots of money. I suggest use surfcant with this product to see the better result.

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I purchased tenacity and applied on my lawn. First application was done but about 6 hours after it rained. Waited a few days and applied again, a few days after the weed leaves started to turn yellow, but not died from the root, as a few week after they grow back again. Also, tenacity seems nit effective to some weeds at all. Not sure what to do, as I wanted to reseed shortly, but would like to get some space for the seed.

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0 of 1 people found this review helpful

Good info on website - plus YouTube videos! It's working as described. Prices good. shipping quick!

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After planting a bag of Scotts ever grow grass seed my lawn grew an abundance or weeds including crabgrass. I applied Tenacity according to the directions. I applied a second mixture ten days later. My grass is now being allowed to grow and the crabgrass and other weeds are dead and all brown. This stuff is amazing.

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I have wrestled with crabgrass in my yard for the eight years we've been here. This product wiped it out... mid summer with it establish and growing again. The bluegrass in invades every year was untouched. I can't wait to see the result next year as a PRE-emergent.

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Tenacity works as promised, it take a little time but it works

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Product does kill crab grasps but also kills other grasses around it as well. Must use extreme care when spraying if you just want to kill offending grasses.

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When it comes to controlling established crabgrass, this is the only product I have found in 37 years of lawn maintenance that does the job right out of the gate. No damage to existing turf when used as directed.

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My yard has been overtaken by various types of weeds. Tried all the commercial stuff (Weed-B-Gone. spectracide etc) that are available at Home Depot and none yielded any result. I used Tenacity and many of the weeds were dead in 2 weeks. It was especially effective on crab grass. I have this one very invasive species that looks slightly like Mary's grass (not quite). My backyard was covered with it. Tenacity only killed small areas of it. Some leaves turned white while the remaining are still green. I guess I will have to apply one more time. The application left a lot of bare spots, not because it killed the grass, but because there was so much weed. Still, I am happy that Tenacity did a lot better than the big name herbicides from Home Depot.

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Been trying to get rid of yellow nutsedge out of my yard for years and I think I got it with Tenacity. I had tried many other herbicides and could not get rid of the nutsedge. I Highly recommend Tenacity. It will turn the nutsedge and any crabgrass white and it can look kind of bad during the killing phase but did not hurt my fescue grass.

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I tried tenacity to see if it would kill my nutsedge. It worked! Very happy

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I'm always skeptical about a new chemical, but Tenacity worked exactly as it claimed. Use it lightly and consider mixing in TurfMark so you can see it go down. It kills crabgrass in a few days without harming centipeed grass. I spot sprayed and 3 days later you could see the crabgrass starting to die.

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Despite treating in spring with the blue fertilizer, I had a lot of crabgrass in my yard. I was hesitatnt to treat because of the heat, biut it was getting out of control. So I used for Tenacity for the first time with good results. At this time the crabgrass is all white, dying and the lawn is not affected.

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This is the active ingredient to the three part ingredient recipe. It appears to be working, the crab grass turned blue immediately after spraying and then white after about a week after application and now appears to be turning brown and hopefully dying.

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Did not expect any results. Be patient. Then check out the tips on quackgrass! Yep. Live in Indiana and it worked. Was going for nutsedge and poa annua, may need a couple more rounds.

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Second order now completed. Better pricing than the bigger name places and merchandise was shipped promptly.

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I tried this product out after watching a silver cymbal vid on you tube. Four days later still no results. So I tried a second application wi more tenacity than required five days later it's starting to work.

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