Monument 75WG Herbicide

$20.30 - $320.00

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Monument 75WG Herbicide pack(s) (0.5 g.)

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Buy 2 or more: $19.67 each

Buy 10 or more: $19.27 each

Monument 75WG Herbicide - BOX (5 x 5 gram packs) box(es) (5 x 5 g. packs)

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Buy 2 or more: $287.46 each

Monument 75WG Herbicide - CASE (20 x 0.5 g. packs)Monument 75WG Herbicide - CASE (20 x 0.5 g. packs) case(s) (20 x 0.5 g. packs)

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Monument 75WG Herbicide

Monument 75WG Herbicide, a sulfonylurea, is a selective post-emergence herbicide that controls a wide variety of weeds including the majority of sedges, oxalis, green kyllinga, and multiple other species of broadleaf weeds and grasses. Use Monument 75WG Herbicide on warm season turf in commercial settings such as sod farms, commercial property management, and golf courses. Weed control by Monument 75WG Herbicide is greatly improved when the soil has enough moisture and weeds are actively growing. See label for complete details.

Two Sizes

0.5 gram WSP - individual 0.5 gram pre-measured water soluble packets. Toss the packet into two gallons of water in a backpack or handheld sprayer. Perfect for smaller jobs or ease of use - no measuring!

Box (5 x 5 gram packets) - 25 grams total - Great value. Perfect for bigger jobs and bigger areas!

Active Ingredient: Trifloxysulfuron-sodium - 75%
Target pests: All major categories of sedge species, green kyllinga, oxalis and various other grass and broadleaf species. See label for complete list.
For use in: May be applied to bermudagrass, zoysiagrass and buffalograss on golf courses, sod farms, sport fields, residential properties (except in California) including home lawns, and other non-residential turf areas such as airports, cemeteries, commercial buildings, and similar sites. May be applied to St. Augustine when grown for production of sod only. See label for complete list.
Pet safe: Yes, when used as directed.
Manufactured By: Syngenta

Depending on conditions weed death usually occurs within one to three weeks after application with weed leaves turning colors before completely dying.

Rating Snapshot

5 stars   10
4 stars   2
3 stars   1
2 stars   1
1 star   1

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Average Customer Rating
4.3 star rating (15 reviews)

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Most Helpful Customer Reviews
  • 3 of 3 people found this review helpful:

    5 of 5 Stars  Patience
    August 27, 2013
    Verified Purchase

    My rear yard backs up to a golf course and the course sometimes sprays Monument but never in the eight feet behind my yard. The nut sedge grass was dense behind my property line and some into my rear yard landscaping. Also in the last application of Monument by the golf course, they did not do a good job in spraying and there was still some nut sedge into the course. I sprayed the Monument in a very large area (2 gallons worth) and waited to see the nut sedge die. After several days, nothing and I was frustrated that maybe the golf course sprinklers had washed the Monument away. Then all of a sudden, after more than a week, the nut sedge is gone where I sprayed. It just takes Monument and patience.

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  • 3 of 3 people found this review helpful:

    5 of 5 Stars  No Moa Poa!
    By Johnt on May 25, 2013
    Verified Purchase

    Knocked down mature poa annua and dallisgrass in one treatment. Did not destroy Bermuda. Killed the poa and dallis enough for the Bermuda to move in unlike other herbicides which leave dead brown spots which have to be sanded, etc.

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  • 3 of 3 people found this review helpful:

    5 of 5 Stars  EXCELLENT Product
    May 31, 2013
    Verified Purchase

    We used this on our bermuda grass which had many weeds, particularly sedge, growing in it. One application did the trick. We put one envelope in 2 gallons water along with 2/3 ounce surfactant. Needed three envelopes for our 1/3 acre yard. Definitely worth the price.

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  • 3 of 3 people found this review helpful:

    5 of 5 Stars  Monument 75wg
    July 10, 2013
    Verified Purchase

    Monument 75w absoutely killed the nutsedge. I can tell and my neighbors can tell by just looking at the brown spots all over my bermuda lawn. The bermuda was not killed even if I sprayed it. Absoutely no damage to my bermuda, as a matter of fact, the nutsedge is brown and dead and the bermuda is growing right in the middle of the brown spots and doing extremely well and thriving.

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  • 2 of 2 people found this review helpful:

    5 of 5 Stars  Poa annua control
    By Mike on April 19, 2013
    Verified Purchase

    I had a good deal of poa in my bermudagrass lawn. I spot sprayed with Monument. It took a few weeks but it killed all of the poa, some of it was rather mature. I will definitely used it again if needed.

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Most Recent Customer Reviews
  • 1 of 5 Stars  I got less than expected results
    By Ken on August 26, 2014

    I use this on relatively new zoysia got poor results . I followed the instructions exactly killed some ragweed. Gave it 1 star as it would not post with no stars

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  • 5 of 5 Stars  Zoysia South Louisiana
    By KA on August 21, 2014

    Used on Zoysia in S. LA in July. Had a problem with green kyllinga that would sprout faster than I could pull it and it threatened the entire lawn. Followed directions and added a surfactant that I bought here, as well. I may have gone a little thin (covered too much lawn). I didn't see any results for a couple weeks and I didn't see the dramatic color change of the kyllinga that some report but I did see some of its sprouts die and then it all disappeared a few weeks later.

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  • 4 of 5 Stars  Virginia button weed
    By Cecil on July 11, 2014

    1st spraying has burned the button weed back. I plan to spray again in 4 weeks. Looks good so far. Optimistic! Will follow up in a few weeks. Cdc

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  • 1 of 1 people found this review helpful:

    3 of 5 Stars  monument 75wg herbicide
    By Keith on June 24, 2014

    takes about 3 weeks to work... 2 applications needed...does not harm Bermuda or Zoysia at all...San Augustine turns yellow but does not sad our government took MSMA off the markt, cheap and worked very well for Bahia.This product will kill Bahia and nutsedge selectively.

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  • 5 of 5 Stars  Great Stuff
    By Jerry on May 28, 2014
    Verified Purchase

    I was a little concerned when the package came in an envelope with .5 grams of product. However, I dropped in a 2 gallon spray tank and used on my Zoysia backyard and Bermuda front yard. Poa Annua was the primary issue and it wiped it out.

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  • 5 of 5 Stars  Works!!!
    By Willie on May 14, 2014
    Verified Purchase

    Works really well. Most of the stuff I bought from the home improvement stores would not work effectively to get rid of the other grasses out of my Bermuda grass lawn (Poa annua and yellow nutsedge). This has definitely made a noticeable improvement to the lawn.

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  • 1 of 1 people found this review helpful:

    4 of 5 Stars  Monument Herbicide for Virginia Button Weed
    By Les on October 3, 2013
    Verified Purchase

    I am using Monument primarily for Virginia Button Weed. I am getting about 70-80% kill rate on first application. Second application killed most all button weed in my test area. I sprayed the entire test area in early September. After 14 days weeds were starting to turn colors. I spot sprayed the areas that were not turning colors. After 30 days weeds are dark in color and definitely dying. Monument slowed the growth of grass in the entire test area. Grass is mostly Centipede & St. Augustine. Grass appears healthy, but is not growing. I will try Monument again next spring.

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  • 1 of 1 people found this review helpful:

    5 of 5 Stars  This Stuff is great!
    July 21, 2013
    Verified Purchase

    I mixed it in a 2 gallon sprayer with MSO to treat my newly seed zenith zoysia. It was spray two weeks after seed emergence without hurting my zoysia; however it caused some yellowing which most of it was gone in a couple weeks after application. It killed all my nutsedge, green kyllinga, oxalis, annual poa, and fescue (patches of the previous grass I had) on my newly seeded zenith zoysia.

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  • 1 of 1 people found this review helpful:

    5 of 5 Stars  Small Quantity Monument
    July 3, 2013
    Verified Purchase

    I was very glad to see that Monument is now available in a smaller quantity, because it is the only herbicide I have found that will kill the Purple Nut Sedge!! Since Monument is so expensive, the golf course we live on does not always spray Monument behind our house, and the Nut Sedge moves into my landscaping area. For a number of years, I have tried to buy smaller quantities of Monument without any luck and I am extremely happy to see a 2 gallon quantity packet is now available. I have tried all other sprays, but Monument is the only spray I have found that does the job completely. DoMyOwnPestControl was great to work with and they shipped right away.

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  • 1 of 2 people found this review helpful:

    2 of 5 Stars  Does not kill Tall Fescue
    By Russell on April 17, 2013
    Verified Purchase

    I purchased this product to kill off some of the tall fescue and winter grass that is growing around some zoysia I sprigged last year. It killed some grass, but not much. Just doesn't appear to be very effective.

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April 26, 2013Bryan from Lumberton, Nc asked:

QCan I use Monument 75wg on centipede lawn grass?

AMonument is not labeled to use on centipede grasses.

5 of 5 people found this answer helpful.
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June 2, 2013Seth from Katy, Tx asked:

QDo I need a surfactant when using Monument?

AYou do not have to use a surfactant with Monument, however the label states you can mix in a nonionic surfactant to help the Monument to stick and penetrate the weeds.

2 of 2 people found this answer helpful.
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September 11, 2013John from Chesapeake, Va asked:

QWill Monument 75WG control goose grass, Virginia nutsedge and chickweed/various broad leaf weeds?
Attempting to salvage my yard and grow bermuda (again) and I'm hoping to find a single product to address my biggest weed problems.

AMonument 75WG is labeled for both nutsedge and chickweed, it is not labeled for goosegrass.  We do carry the Dismiss South Herbicide which is labeled for all three weeds as well as several other broadleaf weeds.

1 of 1 people found this answer helpful.
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August 22, 2013Jb from Texarkana, Tx asked:

QHow soon after applying Monument 75WG Herbicide can I mow the grass?

AYou can mow your grass two days before and two-three days after application of Monument 75WG Herbicide.

1 of 1 people found this answer helpful.
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April 6, 2014Judy asked:

QDoes Monument 75WG Herbicide work on dollarweed?

AMonument 75WG Herbicide is labeled for lawn pennywort (dollarweed). Please refer to the product label to ensure that your turfgrass is tolerable.

1 of 1 people found this answer helpful.
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March 21, 2014John from Sacramento, Ca asked:

QWhat else can I use besides Monument to get rid of dallis grass?
It's in our lawn but I don't know what kind of grass we have and nothing I have used gets rid of the dallis and I see Monument can not be used here in CA.

ATo ensure we do not recommend a product that would harm your grass, we really need to know what type of grass you have. You can contact the Master Gardner at the Your Cooperative Extension office. The Master Gardner will be able to assist you with an identification.

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April 10, 2014Jeff from Charlotte, Nc asked:

QIs Monument safe to use on Fescue? I'm in North Carolina and trying to kill POA!

AMonument 75WG Herbicide will kill Fescue grass. The best way to treat for Poa Annua is by using a pre emergent like Bensumec 4LF. This way you will prevent it from germinating. Bensumec can safely be applied to Fescue lawns.

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April 13, 2014Peg asked:

QDoes Monument 75WG kill wild strawberry plants?
The strawberry plants surround my blueberry bushes.

AMonument 75WG is meant more for nutsedge control in turf grass and it cannot be used near a vegetable garden or anything edible.  The main product used for weeds or unwanted plants in an edible garden is a Roundup type product, like our RoundUp QuickPro product.  Roundup Professional products do not leave a residual that could possibly be soaked up by the roots of your garden.  Of course you do not want to get the RoundUp product on any plants you want to keep.  You should only direct it at the weeds you want to get rid of.

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November 18, 2013Bill from Marietta, Ga asked:

QDoes Monument 75WG Herbicide kill Poa Annua that is already growing?
Will it prevent future growth?

AMonument 75WG Herbicide is labeled for and will treat actively growing Poa Annua. A repeat application may be needed after 4-6 weeks. Since Monument 75WG Herbicide is a post Emergent, it may not stop Poa Annua from germinating.

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July 14, 2013Toni from Mountain View, Ca asked:

QWhy is Monument 75 WG not suggested for residential use in California?
Why is it not suggested for residential use in California? I am trying to get rid of oxalis in my dwarf tall fescue grass. Is there something better or comparable for that?

AWe are unsure as to why this label restricts use on residential lawns in California. Many times companies have to comply with whatever state EPA laws want for its residents and will comply on their label during registration. We can offer to you the Q4 Turf Herbicide however, which is safe to be used on Tall Fescue and will control Oxalis as well as a large variety of other broadleaf weeds. Please let us know if you have any other questions.

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November 26, 2013John from Wilmington, Nc asked:

QCan Monument be used at the same time as Dimension on zoysia grass?


Monument 75WG is a selective herbicide for post-emergent control of zoysiagrass so it will be applied with the grasses and weeds are actively growing. We do also carry pre-emergent herbicides that work will when the weeds are germinatng.

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April 7, 2014Jeff from Charlotte, Nc asked:

QThis is the only hope I've seen for poa. Will Monument 75WG Herbicide kill my Fescue lawn?
Poa slowly came into the edge of lawn last year killed with typical weed killers. Now it's popping up everywhere in my lawn. Need to wipe it out badly before it gets worse.

AMonument 75WG Herbicide may supress or damage Fescue. Since Poa Annua is considered a "grass" it is hard to recommend a product that will not harm Fescue. Please contact your Master Gardner through your extension office.

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September 9, 2013Arjun from Uae asked:

QIs this herbicide good for paspalan grass?
we have used this herbicide in paspalan grass, its make too much demage in grass. i have big events in ground.How to recover the grass.

AWe apologize but we are unsure how to answer your question. You asked if the Monument 75 would be safe on Paspalan grass, then stated that you have already used it and that it is damaging your grass. What weed are you trying to control in your Paspalan grass? The only way to recover damaged grass is with time, providing extra nutrients to the soil with a fertilizer, or by temporarily "painting" the turf green to make it look healthy until it comes back.

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