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Dismiss Herbicide

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Dismiss Turf Herbicide from FMC Professional Solutions is designed to be a selective post emergent herbicide for control of listed broadleaf weeds and sedges in healthy turf areas. The use of surfactants is not recommended with Dismiss but it can be applied with liquid fertilizer if needed (see tank mixture compatabilities section).

Target Pests

Dismiss Turf Herbicide can control or suppress bedstraw bittercress butturcups carpetweed chickweed clover cudweed dendelion dollarweed goldenrod ground ivy henbit kochia pigweed redweed spurge wild violet wild garlic wild onion woodsorrel and many other listed weeds.

For Use In

Dismiss Turf Herbicide is for use on turf around commercial industrial and residential lawns golf courses roadside pipeline athletic fields highway fence rows and other non-crop areas.


When applying Dismiss it is best to be sure you are applying the product to a healthy, stress-free turf to prevent furthing damaging the wanted grasses.

Coverage Area

Each finished gallon of Dismiss Turf Herbicide should cover approximately 1,000 square feet.

Time to Kill

Dismiss Turf Herbicide begins to kill immediately as soon as the target weeds are contacted by the chemical, but may take up to several weeks to completely kill off unwanted vegetation.

Mix Rate

Mix Dismiss Turf Herbicide at a rate of 0.18-0.275 of an ounce per 1,000 square feet for broadleaf weed control in tolerant warm season turfgrass. At a maximum rate of 4-8 ounces per acre.

Mix Dismiss Turf Herbicide at a rate of 0.092-0.18 of an ounce per 1,000 square feet for broadleaf weed control in tolerant cool season turfgrass. At a maximum rate of 8-12 ounces per acre

Active Ingredient

Sulfentrazone 39.6%

Dismiss Herbicide

Dismiss Herbicide: A Strong Sedge Killer

Dismiss Herbicide, by FMC is a selective, post-emergent herbicide which controls broadleaf weeds and sedges in established turf areas including but not limited to, residential and institutional lawns, athletic fields, commercial sod farms, golf course fairways and golf course roughs.


Dismiss turf herbicide is formulated as a flowable (suspension concentrate) containing 4 lbs of active ingredient per gallon. The mode of action of Dismiss herbicide involves uptake by both weed roots and shoots. 


Dismiss Herbicide is regarded as one of the best herbicides for sedge weed control in residential and commercial turf. Problematic sedges such as green kylinga and yellow nutsedge are eliminated in as quickly as one to two days. Not only does Dismiss Herbicide attack the surface of the weeds but it goes even further, getting into the soil to penetrate the sedge tubers. This penetrating soil action helps to prevent additional outbreaks of sedges.


While Dismiss is labeled for the control or prevention of over 45 different broadleaf weeds and grasses, it is especially effective in eliminating sedge. It is tolerated on both warm and cool season kinds of grasses ( 13 common turfgrasses). See the label for listings and restrictions.


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Product Q & A

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Should I use a surfactant with Dismiss?
Mike on Jun 30, 2017
BEST ANSWER: You are correct the as stated on the label is not recommended with high temperatures.
Temporary discoloration of some turf types may result from use of surfactants
or adjuvants with Dismiss Turf Herbicide. High temperatures
and high relative humidity may increase the risk of temporary discoloration.
Use of surfactants is not recommended.
The mix rate is for one gallon of water?
Beth A on Sep 4, 2017
BEST ANSWER: Mix Dismiss Turf Herbicide at a rate of 0.18-0.275 of an ounce per 1,000 square feet for broadleaf weed control in tolerant warm season turfgrass, per 1 gallon of water.
What tempeture is too warm to apply dismiss on fescue lawns?
Robo on Jun 9, 2017
BEST ANSWER: High temperatures and high relative humidity may increase the risk of temporary discoloration. Would recommend not applying when temperature are over 95 degrees and it appears that your lawn might be stressed.
After treating kyllinga with Dismiss do the seed heads become inviable or do I need to try to harvest/remove them by bagging the next mowing?
Bill on Dec 1, 2016
BEST ANSWER: Dismiss is not a pre-emergent and will not stop the seeds from germinating, you can apply a good pre-emergent called Prodimaine to the areas, in early spring and late fall.


Customer Reviews

4.8 / 5.0
6 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Stars
Effective product
This is the only product we've found that is truly effective on clover in a buffalograss lawn.
July 5, 2015
worth the effort
After using other weed killers, Dismiss did kill the nut-grass but left the yard in a combat zone. St Augustine plugs are not growing even when Miloganite was applied but the unaffected grass area is growing well.
August 9, 2014
Had a neighbor recommend this product and after using it I wont be using anything else!
April 22, 2013
Driving Range
I have used this product for my driving range several times and it does what I am looking for very pleased with the results I got.
April 22, 2013
Wiped out my issue Ive had with crabgrass for a while now. Nothing at home depot was working and after using this product wont ever use anything else!!
April 18, 2013
I am very suprised at how well this product worked in a site prep area in which we treated gave very quick results.
April 17, 2013

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