MSM Turf Herbicide
MSM Turf Herbicide
MSM Turf Herbicide

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Average Rating

4.5 out of 5 stars Rating: 4.6

47 Reviews | 154 Q&A

Product Overview

Quali-Pro MSM Turf Herbicide is a high-quality granular formula that helps control unwanted broadleaf and grassy weeds on ornamental turf, golf courses and sod farms. It contains 60% Metsulfuron Methyl as its active ingredient which is effective against weeds like Aster, clover, dollarweed, bahiagrass, foxtail, bittercress, henbit, buckhorn, chickweed, plantain, dandelion, and more. It is absorbed through the roots and works by blocking cell division to prevent weed growth. It is labeled for use on Bermudagrass, Kentucky Bluegrass, Fine Fescue, and St. Augustinegrass turf areas.

Registered in the following states: AL, AR, AZ, CO, DE, FL, GA, HI, IL, IN, KS, KY, LA, MO, MS, NC, NE, NM, NV, OK, PA, SC, TN, TX, VA

Do not apply to turf that is less than 1 year old.

Features and Specs

Active Ingredient Metsulfuron Methyl - 60%
Target pests Aster, Clover, Dandelion, Dollar-weed, Bahia-grass, Foxtail, Bittercress, Henbit, Buckhorn, Chickweed, Plantain and others
* See Label for complete list
For use in Commercial & Residential Turf-grass: Residential Lawns, Parks, Cemeteries and Golf Courses (Fairways, Aprons, Tees, Roughs)
* See Label for complete list
Application * See Label for complete application instructions
Pet safe Yes, if used as directed on Label
Formulation Professional Product
Shipping Weight 0.21 lbs
Manufacturer Quali-Pro (Mfg. Number: 83012991)
UPC 072693299122
EPA Registration 53883-430



State Specific Restrictions:

The state of Arizona has not approved this product for use on agricultural sites. Do not use this product on uses considered by the Arizona statutes to be agricultural uses.


Use spray volumes of 20 to 80 gallons per acre and pressures of 25 to 35 psi at the following rates of MSM Turf Herbicide from the weeds listed below:

0.125 TO 0.25 OZ Per Acre

  • Ryegrass (greens)

0.25 TO 0.33 OZ Per Acre

  • Bittercress, Field pennycress,Blue mustard, Ground ivy (Fall), Bur buttercup, Parsley-piert, Chickweed, Prostrate spurge, Chicory, Redstem filaree, Clover (white), Spurweed, Creeping beggarweed, Wild carrot, Dandelion

0.33 TO 0.5 OZ Per Acre

  • Annual sowthistle, Ryegrass (fairways), Aster, Seedling dogfennel, Carolina geranium, Shepherdspurse, Common yarrow, Smooth pigweed, Crown vetch, Smallseed falseflax, Florida betony, Sweet clover, Ground ivy (Spring*), Tansy mustard, Henbit, Treacle mustard, Lambsquarters, Tumble mustard, Lespedeza, Wild celery, Miners lettuce, Wild garlic, Plantain, Wild lettuce, Prickly lettuce, Wild onion, Ragweed, Woodsorrel (oxalis), Redroot pigweed

0.25 TO 0.75 OZ Per Acre

  • Bahiagrass*

0.5 TO 1 OZ Per Acre

  • Brazil pusley, Florida pusley, Buckhorn plantain, Foxtail, Canada thistle**, Hoary cress (whitetop), Curly dock, Kochia, Common groundsel, Pennsylvania smartweed, Common purslane, Plantain, Common sunflower, Prostrate knotweed, Sida (southern), Dogfennel, Virginia buttonweed***, Dollarweed*, Wild mustard

* A repeat application may be required in 4 to 6 weeks.
** Suppression only involving a visual reduction in competition compared to an untreated area.
*** Controls seedling Virginia buttonweed. Suppression only of more mature plants. Repeat application may be required in 4 to 6 weeks.

The required amount of MSM Turf Herbicide should be added when the spray tank is half full of water and, with agitator running, add the proper amount of product. Finish adding the required amount of water. Continuous agitation is required to keep the product in suspension.

Spray preparations of this product may degrade in acid solutions if not used in 24 hours; it is stable in alkaline solutions. Thoroughly re-agitate before using.

Tank mixes with other registered herbicides should be tested for compatibility before full scale mixing. Use mechanical or bypass agitation to thoroughly mix the spray suspension. It is not necessary to premix this product with water in a separate container prior to adding it to the spray tank. This product should always be added to the tank first, before any other herbicides or adjuvants.

Kentucky Bluegrass and Fine Fescue:

Apply 0.25 to 0.5 oz of MSM Turf Herbicide per acre for control of the listed weeds. Do not exceed a total of 0.5 oz per acre within a 9-month period.

St. Augustinegrass, Bermudagrass and Zoysiagrass (Meyers and Emerald):

Apply 0.25 to 1.0 oz of MSM Turf Herbicide per acre for weed control. Some chlorosis or stunting of the turfgrass may occur following application.

Bahiagrass Control:

For the selective control of Bahiagrass in Bermudagrass turf, use 0.25 to 0.75 oz of MSM Turf Herbicide per acre. Use the higher rates of the range on Argentine, Common and Paraguayan Bahiagrass. Apply a repeat treatment in 4 to 6 weeks if necessary. Some chlorosis or stunting of the Bermudagrass may occur following the application.


Apply 0.25 to 0.5 oz of this product per acre for weed control. Some chlorosis or stunting of the turfgrass may occur following the application.

IMPORTANT: Addition of a nonionic surfactant of at least 80% active ingredient at 0.25 percent by volume (1 qt/100 gal) provides maximum performance, but may temporarily increase chlorosis of the turf. Allow one week between the application of MSM Turf Herbicide and other pesticide products. (This guideline can be relaxed where a
severe insect or disease attack requires immediate treatment.)

Review Search   
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  • 5 of 5 Stars

    Actually Kills Virginia Buttonweed!

    By Kyle on 07/11/2018

    This product is very effective against Virginia Buttonweed (assuming the directions are followed and the second application is made), and is safe to use on Zoysia (again assuming label directions are followed). The active ingredient of this product (metsulfuron methyl) is the same as the herbicide formerly sold under the trade name “Manor”. Metsulfuron is one of only two selective herbicide chemical groups actually shown to be effective against Virginia Buttonweed, and MSM is the only one of these chemicals I have found that is sold in volumes economical for residential use. In fact at my local farmer’s co-op, even the container of MSM I found was 3 times the cost of what I paid online and would have been enough chemical to treat my yard for over a decade (far past the shelf life of the chemical in an opened container). In my experience, Zoysia is quite tolerant of this herbicide at the recommended rates as long as ambient temperatures are under 85F. The best strategy is to make the initial broadcast application in mid spring (early to mid-May in TN) before sustained temperatures reach 85, and while Buttonweed is still in its more vulnerable stages. Spot spraying during summer also doesn’t seem to harm the turf grass. Some stunting of Zoysia will occur if you broadcast spray during hot weather, but it is short lived and the turf seems to rebound quickly. It took me basically 2 years to rid my yard of a pretty heavy Buttonweed infestation by using the split application method of initial broadcast spray in May, followed up with a sequential application 6 weeks later. Since then, most years I don’t have to spray for Buttonweed at all, and when I have it has only been light spot spraying in early summer. Also, it may not be completely clear from the description, but this product is in dry form, so “oz.” refers to the unit of weight, not fluid ounces. I was initially concerned when I read the chemical data sheet prior to purchase that this product would be impossible to mix up in lawn sprayer sizes (before I realized that it was not referring to a fluid ounce), but the product is not too terribly difficult to mix for a residential scale application with the volumetric dosage cup that is included.

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    115 of 117 people found this review helpful

  • 5 of 5 Stars

    MSM Turf is the BOMB!!

    By Terry on 06/27/2018

    I purchased this product to control Virginia button weed. I didn't mixed the correct amount of product in my twenty five gallon sprayer. However, the button weed turned brown one week later. I can only image my results the next time I spray with correct mixture. This product also killed other broadleaf weeds in my Bermuda lawn.

    Was this review helpful to you?  YesNo

    47 of 51 people found this review helpful

  • 5 of 5 Stars

    Dollar Weed

    By Gary on 04/09/2018

    Good stuff it works great on dollar weed. Takes a week or two and all of a sudden there are these yellow weeds in in your yard - dead dollar weed!

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    47 of 50 people found this review helpful

  • 5 of 5 Stars

    So long Va Buttonweed!

    By Hoyett on 08/14/2018

    its the only thing I've found that eradicates Va buttonweed. Was getting worse year after year, but two spot applications at full strength killed it. No damage to Zoysia, slight temporary yellowing to Bermuda and heavy yellowing to St. Augustine. Use an electronic scale to measure small mixes (1-4 gal) in grams, or the included measure for larger batches. Effective on other weeds too.

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    42 of 43 people found this review helpful

  • 5 of 5 Stars

    The perfect solution to my virginia button weed problem!

    By Diane on 09/07/2018

    I purchased this on the suggestion of a neighbor. I was able to get it here for a fraction of the price that she paid! I sprayed it on my virginia button weed, and it is really working! The good grass was not affected at all....only the weeds! Very happy with this product!

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    33 of 35 people found this review helpful

See all 47 customer reviews

Questions & Answers

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Can MSM Turf Herbicide be used without hurting flowers when treating for wild onion and garlic in flower beds?

No, MSM Turf Herbicide should only be applied to listed turf areas, and not in flower beds. You can refer to the product label for listed turf areas and for complete application instructions. For control of broadleaf weeds around flowers, you usually will need to hand pull or spot treat carefully using a non-selective herbicide.

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Can I use Quali-Pro MSM Turf Herbicide on a rock flower bed? Will it kill hedges?

Quali-Pro MSM Turf Herbicide should only be applied to listed turf areas. Please provide the targeted weeds for an alternate recommendation. Thank you!

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1 of 2 people found this answer helpful

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MSM Turf Herbicide 4.5 out of 5 stars Rating: 4.6 (47 Reviews / 154 Q&A)

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