Dismiss Turf Herbicide

$66.96

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4.4 Rating: 4.4

32 Reviews | 27 Q&A 

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Dismiss Turf Herbicide

Dismiss controls difficult weeds such as Yellow nutsedge, Purple nutsedge and green kyllinga in as little as 24 to 48 hours! No other herbicide on the market gives you visible results in as little time as Dismiss Turf Herbicide from FMC. Dismiss Herbicide is faster than Image, Certainty or Monument Herbicides. Dismiss can be absorbed into foliage, but most of the product is delivered to the plant through the root system. Dismiss is gentle and well tolerated on most warm and cool season turf grasses.

It is NOT recommended to use a surfactant with this product.

This is a selective post-emergent herbicide that controls weeds in turf sites including residential and commercial lawns, athletic field, commercial sod farms, golf course fairways and roughs.


Active Ingredient: Sulfentrazone - 39.6%
Target pests: Yellow Nutsedge, Purple Nutsedge, Green Kyllinga, Sedge (Cylindrical, Globe, Surinam and Texas), Bedstraw, Beggarweed, Bittercress, Black medic, Buttercups, Carolina geranium, Carpetweed, Chickweed, Cinquefoil, Clover, Copperleaf, Cudweed, Dandelion, Dock, Dollarweed, Eclipta, Evening Primrose, Fiddleneck, Filaree, Galinsoga, Goldenrod, Ground Ivy, Groundsel, Henbit, Knawel, Knotweed, Kochia, Lambsquarters, Lawn burweed, Lespedeza, Mallow, Parsley, Pigweed, Pineapple Weed, Plantain, Puncture Weed, Purslane, Pusley (Florida), Redweed, Rocket, Shepherd's Purse, Smartweed (PA), Sorrel, Speedwell, Spurge, Star of Bethlehem, Velvetleaf, Violet, Wild Garlic, Wild Onion, Woodsorrel
* See label for complete list
For use in: Commercial and Residential lawns, athletic fields, commercial sod farms, golf courses
Application: 4 - 12 oz. per 20 - 175 gallons of water per acra (0.5 - 4 gallons per 1,000 sq. ft.)
* See label for complete application instructions
Formulation: Professional Product
NOT FOR SALE TO: NY, CA, HI
Manufactured By: FMC



Dismiss controls difficult weeds such as Yellow nutsedge, Purple nutsedge and green kyllinga in as little as 24 to 48 hours! No other herbicide on the market gives you visible results in as little time as Dismiss Turf Herbicide from FMC. Dismiss Herbicide is faster than Image, Certainty or Monument Herbicides. Dismiss can be absorbed into foliage, but most of the product is delivered to the plant through the root system.  Dismiss is gentle and well tolerated on most warm and cool season turf grasses.

Rating Snapshot

5 stars   22
4 stars   5
3 stars   2
2 stars   3
1 star   0

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Average Customer Rating
4.4 star rating (32 reviews)

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Most Helpful Customer Reviews
  • 36 of 40 people found this review helpful:

    5 of 5 Stars  Worked great!!
    By Mike in Jacksonville, FL on May 9, 2012
    Verified Purchase

    Dismiss worked great using a portable sprayer. I mixed the solution at a rate of .275 oz per gallon. This mixture was applied to many sections of my yard where weeds were growing mixed in with grass. The treatment was applied around a temperature of 90F degrees. I do not recommend applying at temperatures above 90F. Some weeds got weak in 24 hours and most showed signs of damage by 48 hours. For some weeds it took 1 week for the real effect to show up. My St. Augustine grass showed no signs it had been treated at all. The weeds died but the grass was unaffected. After treatment the grass has really started to take off. The product comes with a add on filler tube, similar to pest control mixtures, where you can accurately and safely measure the amount of product being added to your mixer. Be sure to shake up your sprayer every 10 minutes to ensure the mixture stays consistent. I applied the mixture to the yard in more of a spot treatment process than covering the whole yard. Why spray weed free grasses that are not the target? The treated section should just get wet. There is NO need to soak the ground. This product is a contact product so the roots are not the target, it is the plant above ground. Best effect was on nutsedge. Showed significant yellowing and weakness quickly. Worst effect was some form of clover. It took 2-3 weeks to show signs it was dying. We have about 15 varieties of weeds in our yard and this product killed them all. It did take a second treatment on the crab grass to fully kill it. The cost of this product seems high, but it will save you hundreds versus yard spraying service people. I decided to use my pest control experience on my yard after some clown showed up and killed most of our yard with improperly applied chemicals. Do yourself a favor and fire your yard service before they kill your lawn and leave you with just weeds. Do it yourself when you want to, how you want to, and save money in the process!

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  • 28 of 29 people found this review helpful:

    5 of 5 Stars  WOW!
    By Gary in LIBERTY, Missouri on July 30, 2011

    Went to my local flower seller. They sold me "Sedge Hammer." Required a product to help it stick to the plant. Between the two products: $35.00. Did an experiment: while not scientific, it told me what I needed to know. I sprayed one side of my driveway with "Dismiss," and the other side with the local product. It was amazing! Following the instructions to a 'T' on both products, the Dismiss side was dead and withered within 4 days. The local product showed no change. After two weeks, the local product made the sedge plants look sick-yet still green and present in my yard. I am sold on Dismiss for a rapid removal of this pest. I have been trying to rid the lawn in these areas for years. I now think I have the answer: Dismiss. Worth every penny.

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  • 23 of 23 people found this review helpful:

    5 of 5 Stars  Review of Dismiss Aug 2011
    By Dr. in Fairfield County, CT on September 9, 2011
    Verified Purchase

    Had been using Sedgehammer on Yellow Nutsedge for couple of years (with surfactant); was generally successful but took several weeks to show effect. Sometimes did not work; perhaps because I occasionally held unused quantities over for several days, then using the remaining portion?; or maybe not. Blogs note Sedgehammer must be used within 4 hrs of mixing or it loses effectiveness. Seeking more responsive control, tried Dismiss, using only as a spot spray at .0275 per 1.5 gallon water. Killing effect seen in 48 hrs. Discoloration of grass seen in sprayed area(s), but this disappeared within 7-10 days. I will reduce dose in future to see if discoloration persists.

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  • 17 of 17 people found this review helpful:

    5 of 5 Stars  Dismiss - It really works
    By Jim in Shawnee, Kansas on August 1, 2011
    Verified Purchase

    I hate nutsedge and have tried everything to get rid of it, even using RoundUp which killed my entire back yard. I have been on hand and knees with a water color brush painting it with Roundup. I have used Sedge Hammer which was fair. Now I am delighted to report that Dismiss actually works! I am thrilled. Nutsedge loves this dry hot weather and I have practically eliminated it (I missed some with my spraying). I am telling all my friends and neighbors. Expensive, but well worth it.

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  • 14 of 14 people found this review helpful:

    4 of 5 Stars  Dismiss Turf Herbicide
    By Vicki in Suffolk, VA on September 13, 2011
    Verified Purchase

    Our lawn guy recommended this product. He charges almost $200 for one application. I purchased the product myself, and he told me the mix ratio and I applied to my lawn myself in a 1 gallon pump sprayer. The stuff works...just make sure you apply enough on the areas. I missed some spots, so I need to re-apply. But where I did do a good job of applying...no more nut sedge weeds. I recommended your site to a co-worker so he could purchase some for his lawn.

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Most Recent Customer Reviews
  • 4 of 5 Stars  Its good, but not perfect
    By Jason in Orlando, FL on August 25, 2015

    Sedge is a difficult weed to get rid of. As you probably know by now, you can't pull up all the roots. In fact its a complete waste of your time to try to uproot THIS weed. So, you're left trying to treat it chemically. From my experience, Glyphosate (round-up) and diquat don't kill the root system. So, even if you were to paint broad-spectrum herbicides on your sedge within your turf, you should expect to do it in another couple weeks. ...which completely sucks. So, the two leading sedge killers are: SedgeHammer (or generics) and Dismiss [I've used both]. Sedge Hammer is targeted for the homeowner and Dismiss is serious stuff targeted for the professional. Dismiss has some very serious warnings, you're not suppose to use sooner than 30 day intervals and they don't give you the concentration for a hand sprayer...as if to say it is a bad idea to hand spray. But when you are really frustrated with sedge you tend to overlook those issues and look for the sedge nuclear bomb. Dismiss yellows the sedge in 24 to 48 hours....which is satisfying. SedgeHammer takes about a week so you're left wondering if you hit the sedge or missed a spot...for a week. Dismiss was very effective against my "Globe Sedge" [at least that is what I believe it was] and much less effective against my yellow nutsedge. I'm currently on my second Dismiss treatment. I have also found it effective to stagger the application of SedgeHammer AND dismiss on the same turf area [did I mention sedge was hard to kill]. I also used Dismiss for a "high concentration" amount for a 1/2 gallon assuming I would spray that over 1000 sq ft. Dismiss was on my empire zoysia for around 48 hours without water. It browned up the zoysia -- which scared me. But, when the zoysia got some water it came right back to green. Overall, I would buy Dismiss again.

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  • 5 of 5 Stars  great product
    By RL in Waterloo,Il on August 6, 2015

    Worked as described.

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  • 2 of 2 people found this review helpful:

    5 of 5 Stars  Great Weed Killer
    By Leslie in Milton, Florida on April 18, 2015
    Verified Purchase

    After using a bottle of Weed B Gone and a bottle of Spectricide weed killer with almost no effect on the weeds, I bought this product on a hope that it would actually kill the weeds in my lawn. After one spraying, most of the weeds were either dead or dying. After the second spraying, my yard is weed free for the first time since moving here. A word of warning, the grass, if a little weak, ( I am also fighting grubs that eat the grass roots ) it will turn the grass brown, but if you water it well for a few days, it springs right back.

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  • 2 of 4 people found this review helpful:

    2 of 5 Stars  Did not control Yellow Nutsedge on St. Augustine in South FL
    By Gray in Boca Raton on September 9, 2014

    I've used Dismiss for a year, applied several times. Cool applicator to measure. Killed the Yellow Nutsedge and killed the St. Augustine too. Then Nutsedge grew back before SA could recover. Wasted $$$

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  • 5 of 5 people found this review helpful:

    5 of 5 Stars  Killed everything I had
    By T in Florida on August 21, 2014
    Verified Purchase

    .18 oz per 1000 sq ft no more. Zoysia Emerald was a little stressed only in the areas I over sprayed. In all the heat now in north florida I feel it worked perfect. Goose grass nutsedge and all the weeds I have are dying. Also the measuring device made it easy to pour out .180 oz without having to worry about spillage. Perfect and great service from domyownpestcontrol thanks

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  • 2 of 2 people found this review helpful:

    5 of 5 Stars  Dismiss works good.
    By Gerry in Charles City, VA on July 24, 2014

    Dismiss works as the manufacturer says on nut sedge. It is expensive but it does the job of killing nut sedge.

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  • 4 of 4 people found this review helpful:

    3 of 5 Stars  Works Well.
    By S in Memphis, TN on June 18, 2014
    Verified Purchase

    Works on Nutgrass. Took 5 days to brown and kill existing Nutgrass. Does not prevent new ones as per product descrption. Leaves existing lawn green which I like. Does not work with CrabGrass and some weeds in my yard. Overall I am happy with the Product, hoped it would kill more of the weeds in my yard. Dismiss works better than my lawn Maintenance company weed killer - Money better spent.

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  • 3 of 3 people found this review helpful:

    3 of 5 Stars  Looking Good thus far
    By T. in Jacksonville, FL on June 3, 2014

    Just recently used my product on my zoysia grass and ut seems though this product is doing what it is prescribe to do on sedge weed and not harming the grass.

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  • 3 of 3 people found this review helpful:

    5 of 5 Stars  Great Product
    By Lee in St Marys, GA on September 24, 2013
    Verified Purchase

    Kills yellow nutsedge like a champ. A little slower on the purple, but results are great.

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  • 3 of 3 people found this review helpful:

    5 of 5 Stars  Effective on Nutsedge
    August 29, 2013
    Verified Purchase

    I use Dismiss in spot spraying of nutsedge in high quality turf. It is highly effective. Minor browning off of turf grasses (mine is tall fescue and bluegrass) may occur, especially at high temperatures, but color returns within a few weeks. I do not add a surfactant. I now use this herbicide in place of Manage and Basagran that I had used for many years. Excellent product.

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Most Helpful Q&A's

April 25, 2011 Jack asked:

QHow do I mix Dismiss for a tank sprayer or a hose end sprayer? What is the dilution per gallon?
I have 1 acre of fescue for home residence.

AThe reason that herbicides do no list a specific amount per gallon of water is because the dilution rate is different for everybody.  It depends on what equipment you are using.  The more important thing is how much of the product is placed out over 1000 square feet. 

When applying herbicides, we always recommend using calibrated equipment, rather than hose-end sprayers, to avoid uneven application or damage to desirable plants. Most herbicide labels will list how much active ingredient should be used per 1,000 square feet. To calibrate your equipment, for example, a 1 gallon sprayer, mark off an area of 1,000 square feet, and cover that area at your normal pace as evenly as possible. If you used the entire gallon, you would use the recommended amount in 1 gallon of water. If you only use ½ gallon to cover the 1000 square feet then you mix the recommended amount on the product label in a 1/2 gallon of water.  So if an acre is basically 44,000 square feet and the product label calls for 5 ounces per acre for fescue, and you used 1 gallon to cover 1000 square feet, then you would mix 5 ounces of Dismiss in 44 gallons of water.  Ultimately, correct timing and application rates are more important than how much water is used to apply your herbicides.

20 of 64 people found this answer helpful.
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February 11, 2011 Sheri asked:

QWhat time of year can we apply Dismiss Turf Herbicide? Is it a pre emergent and a post emergent?
Can this be used as both pre emergent and post emergent product?

ADismiss Turf Herbicide is a selective post only emergent product that is meant to be used on sedge and kyllinga weeds.  It is labeled for most warm and cool season turf grasses.  Since this is a post emergent product, you should apply it whenever you see signs of sedge or other weeds as permitted on the label.  You should always read the label first to make sure it is ok to use on your type of grass. Here is a link to the Dismiss Turf Herbicide product label.

19 of 20 people found this answer helpful.
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August 23, 2011 Trent from Jacksonville, Fl asked:

QDo you know if Dismiss is rainproof and if so, how soon after I apply?
I've read the label and can't find any information about whether Dismiss is rainproof and how much time is needed before watering my grass again. I'm also not sure if I should water this treatment into my grass to help. Any ideas?

AYou do not have to water in Dismiss after application since you are applying it with water already.  If you can go 24 hours before watering then that would be ideal. Dismiss will be rainfast 4 hours after application.

19 of 22 people found this answer helpful.
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April 17, 2011 John asked:

QWhat is the shelf life of Dismiss?

ADismiss Turf Herbicide should be used within 3 years of the date of purchase to insure best results.

15 of 16 people found this answer helpful.
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May 11, 2014 Frank from Key West, Fl asked:

QHow long until I can reapply Dismiss, since all the weeds were not killed?
I applied Dismiss as directed, but not all the weeds were killed. Many browned, but about only half met their death. I would like to reapply, but I do not wish to harm my Seashore Paspalum.

AAccording to the Dismiss Turf product label, you can reapply the Dismiss 35 days after the first application to ensure no harm to your lawn and acheive better control of the hearty weeds in the lawn.

8 of 8 people found this answer helpful.
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Most Recent Customer Questions

August 2, 2015 Keith asked:

QWhat is the full list of all grass that Dismiss Turf Herbicide can be safely used on?

A

According to the product label, Dismiss Turf Herbicide can be safely used to control weeds in the following types of turf grasses:  

Bentgrass, creeping (Agrostis sp.), Bahiagrass 2 (Paspalum notatum), Bermudagrass (Cynodon dactylon),  Buffalograss (Buchloe dactyloides), Carpetgrass (Axonopus affinis), Centipedegrass (Eremochloa ophuiroides), Kikuyugrass (Pennisetum clandestinum), Seashore Paspalum (Paspalum vaginatum), St.Augustinegrass (Stenotaphrum secundatum),  Zoysiagrass (Zoysia japonica), Bluegrass, Kentucky (Poa pratensis), Bluegrass, Rough (Poa trivialis), Fescue, fine (Festuca rubra), Fescue, tall (Festuca arundinacea), Ryegrass, perennial (Lolium perenne)

Please consult the product label for the application rates and timing for your specific type of grass.  

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July 27, 2015 Brian from Pataskala, Ohio asked:

Q What is the mixing rate for Dismiss Herbicide for spot spraying nutsedge?

A

The mixing ratio for Dismiss Herbicide depends on the type of grass you are treating on. For cool season grasses, the rate is 0.092-0.18 fl. oz. of product per gallon of water. For warm season grasses, you will use 0.18-0.275 fl. oz. of product per gallon of water. See the product label for complete application instructions. The reason that herbicides do no list a specific amount per gallon of water is because the dilution rate is different for everybody.  It depends on what equipment you are using.  The more important thing is how much of the product is placed out over 1000 square feet. 

Most herbicide labels will list how much active ingredient should be used per 1,000 square feet. To calibrate your equipment, for example, a 1 gallon sprayer, mark off an area of 1,000 square feet, and cover that area at your normal pace as evenly as possible. If you used the entire gallon, you would use the recommended amount in 1 gallon of water. If you only use ½ gallon to cover the 1000 square feet then you mix the recommended amount on the product label in a 1/2 gallon of water.  So if an acre is basically 44,000 square feet and the product label calls for 5 ounces per acre for fescue, and you used 1 gallon to cover 1000 square feet, then you would mix 5 ounces of Dismiss in 44 gallons of water.  Ultimately, correct timing and application rates are more important than how much water is used to apply your herbicides.

If you only need a small amount of product to control purple or yellow nutsedge, then you may want to consider Sedgehammer Herbicide, which comes in individual packets that can be diluted in 1 gallon of water at a time.

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June 22, 2015 Colleen from Fairfax, Virginia asked:

QHow long should you wait to cut the lawn before and after application of Dismiss?
I have a mixed lawn of Zoyzia and fescue. I am wondering if the grass must be cut prior to application if so then how long and well as how long should you wait to cut after application of Dismiss?

A Generally, we recommend mowing your lawn 2 days before application and no sooner than 2 days after application to mow again. 

2 of 2 people found this answer helpful.
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April 20, 2015 Ben from Cypress, Tx asked:

QMy Dismiss is no longer in solution?
My Dismiss, made in 2013 has fallen out of solution. Shaking the bottle brings it back but it immediately falls out of solution when the shaking stops. Is there anything that can be done to get it to stay in solution? Isn't this supposed to have a 3 year shelf life? If so, what happened to cause this?

A Dismiss Turf Herbicide does have a shelf life of 3 years if stored properly. Was it stored in a cool dry area?

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October 8, 2014 Mike from Wailuku, Hi asked:

QHow many ounces of Dismiss Turf Herbicide per gallon of water?

A The reason that herbicides do no list a specific amount per gallon of water is because the dilution rate is different for everybody.  It depends on what equipment you are using.  The more important thing is how much of the product is placed out over 1000 square feet. 

When applying herbicides, we always recommend using calibrated equipment, rather than hose-end sprayers, to avoid uneven application or damage to desirable plants. Most herbicide labels will list how much active ingredient should be used per 1,000 square feet. To calibrate your equipment, for example, a 1 gallon sprayer, mark off an area of 1,000 square feet, and cover that area at your normal pace as evenly as possible. If you used the entire gallon, you would use the recommended amount in 1 gallon of water. If you only use ½ gallon to cover the 1000 square feet then you mix the recommended amount on the product label in a 1/2 gallon of water.  So if an acre is basically 44,000 square feet and the product label calls for 5 ounces per acre for fescue, and you used 1 gallon to cover 1000 square feet, then you would mix 5 ounces of Dismiss in 44 gallons of water.  Ultimately, correct timing and application rates are more important than how much water is used to apply your herbicides.

1 of 5 people found this answer helpful.
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August 21, 2014 David from Mooresville asked:

QHow long do I have to wait for apply a second application of dismiss

A

According to the Dismiss Turf product label, you can reapply the Dismiss 35 days after the first application to ensure no harm to your lawn and acheive better control of the hearty weeds in the lawn.

2 of 2 people found this answer helpful.
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August 5, 2014 Tom from Jacksonville Florida asked:

QWhat weed killer/preventer should I use with my new emerald Zoysia?
Weeds include goose grass,sedge, and most typical florida lawn weeds. Because Emerald grows so slow I feel the need to prevent and kill more weeds than I would with st Augustine or any other lawn. I've used sedge pro but it does not get a lot of the other weeds.

A Dismiss Turf would be a great product to treat your Empire Zoysia for weeds like segde, etc. Be sure that your new has been mowed at least 2 times prior to application. Please also, refer to the product label for application instructions.

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April 30, 2014 Pam from Madison, Oh asked:

QHow soon after applying Dismiss Turf Herbicide is it safe to let my dogs on the grass?

A Dismiss Turf is safe for dogs after the treated area has dried.

5 of 5 people found this answer helpful.
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April 26, 2014 Pam from Madison, Oh asked:

QHow soon after applying Dismiss is it safe to let my dog on grass

A You would need to keep your dog out of the treated area until it has a chance to fully dry. Once it has dried complete, maybe a couple of hours, then it is safe for your dog to re-enter the treated area.

2 of 2 people found this answer helpful.
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April 13, 2014 Stu from Stu_brayshaw@charter.net asked:

QStar of Bethlehem has invaded my yard
It has spread everywhere, and despite heroic efforts, and using all sorts of destructive resources it continues to invade grass and gardens. It would make a good horror movie! Dismiss seems to be the recommended choice. But 6oz? How much does that cover and for $76.00 is it the best way to go?

A Per the Dismiss Turf product label you would apply at a rate of 4 to 12 oz per acre or 0.092 to 0.275 fl.oz./1,000 sqft.  Another option would be SpeedZone Red that may be a little more expensive but is available in a gallon.  Please refer to the product label to ensure your turfgrass is listed as tolerable.

0 of 3 people found this answer helpful.
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