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The Daily Insight

Will MSMA kill grass burrs

Author

Emma Valentine

Published Mar 28, 2026

If a post-emergence herbicide such as MSMA or DSMA is used, wait until the day time temperatures are about 75 degrees F. … For post-emergent field sandbur (grassbur) control, use MSMA or DSMA. These products will do a good job of controlling the field sandbur (grassbur) when it is young.

What will kill grass burs?

Keep in mind that chemically based weed killers are an option, but often the chemicals give off harmful fumes that you do not want around your family or pets. Luckily, white vinegar works well in killing off grass burrs and stickers.

Does MSMA kill the sticker seed?

Post-Emergent Herbicide Attacking the sticker burr weeds while they’re young, before they develop seeds, is the best time to kill them after they emerge. Use a ready-to-use spray containing disodium methanearsonate, known as DSMA, or monosodium acid methanearsonate, called MSMA.

How do you kill grass burrs?

You can try pulling the weed and mowing, but eventually sandbur will get the upper hand. Fertilize your lawn in fall to help it produce a thick mat to crowd out any sandbur seedlings in spring. There are also pre-emergent herbicides that are applied in late winter to early spring depending on your zone.

What grasses does MSMA kill?

MSMA Target 6 Plus can burn or damage grasses when over-applied. MSMA Target 6 Plus Herbicide will kill and control dallisgrass (dallasgrass), johnsongrass, barnyardgrass, chickweed, cocklebur, crabgrass, goosegrass, nutsedge, pigweed, puncture vine, and sandburs.

How do you get rid of Sandspurs without killing grass?

Pre-Emergent Products The best way to control sandburs is with a pre-emergent herbicide. These products kill the plant before it emerges from the soil, when it is a lot more vulnerable to chemicals. The best time to apply the product is when the soil temperature reaches 52 degrees Fahrenheit.

How do I get rid of Sandspurs in my yard?

Since Sandbur are an annual to a short-lived perennial, depending on the time of the year it is, you could be either using a pre-emergent herbicide or a post-emergent herbicide to keep the weed under control. If the Sandspurs are already growing on your property, we recommend treating them with Celsius WG Herbicide.

What kills stickers in the yard?

A two-prong approach will work best when controlling burweed or sticker weed. The first effort is preemptive and involves the use of a preemergence herbicide or weed preventer. A preemergence herbicide is applied before the seeds start germinating in the fall, and it kills the seeds as they germinate.

What herbicide kills Sandburs?

Dithiopyr is the only herbicide that we have found that will attack and sterilize sandburs before their growth cycle begins. By making an application of Dithiopyr early in the season, you can help to eliminate these nasty stickers before they take control of your lawn.

What kills Texas Sandburs?

The only labeled preemergent herbicide for sandbur control in pastures and hayfields is Prowl® H2O. It is labeled for bermudagrass and other warm-season grasses when in winter dormancy.

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How do you get rid of sticker burrs?

  1. They struggle with competition. …
  2. Mow with a Bag and drop the height adjustment on your mower a few notches and give your lawn a short-trimmed cut. …
  3. Products called MSMA or Orange Oil, typically found in stores, are considered good herbicides.

Can you mix MSMA and 2 4d?

For superior post-emergent control over crabgrass, dallisgrass, sandburs, clover and many other tough weeds in sensitive warm-season turf, this MSMA and 2, 4-D combination is top notch. Follow label instruction and make two applications 20 days apart. Contains 2.5 gallons of MSMA 6 Plus and 2.5 gallons of 2, 4-D.

How do you apply MSMA to Bermuda?

In order to control crabgrass and sedges effectively, you need to apply MSMA twice at an interval of 5 to 7 days. Dallisgrass requires five applications of MSMA in 5 to 7 day intervals. Apply these herbicides only when weeds are present on the soil and when the grass is actively growing and not suffering from drought.

When should you spray MSMA?

Herbicides containing MSMA are most effectively applied when grassy weeds such as crab grass and Dallis grass have emerged in the early spring and are actively growing. Repeat applications may be required through the late spring and summer.

How do you get rid of Sandburs naturally?

Use the Soil Solarization Method Use a weeder to get rid of as many sand burs as possible then place a clear plastic sheet over the area. Dig small trenches along the side to seal the weed control fabric to the ground. The heat from the sun will pass through the plastic sheet then get trapped underneath it.

How do you get rid of sand spurs on your feet?

To remove them, use a piece of cloth or leaf to gently grasp the bur and pull it off. Look for a small spike that may be left behind after removal. You might need tweezers to get it. These can be very painful and get quite sore if not removed.

What type of herbicide is atrazine?

Atrazine is a widely used herbicide that can be applied before and after planting to control broadleaf and grassy weeds. Atrazine is a member of the triazine chemical class, which includes simazine and propazine. It is used in primarily in agriculture, with the greatest use on corn, sorghum, and sugarcane.

What are stickers in grass called?

What Are These Stickers in My Yard? Stickers or sticker weed come from burweed or sandbur—a lateral and low-growing grass like weed. This grass bur germinates early in the fall and dies sometime in spring. The seeds of bur weed go on to become stickers during spring.

How much MSMA do you use per gallon of water?

Use 2 1/2 tbsp. or 1 1/4 fluid oz. of herbicide for each gallon of water. This will cover a 250-square-foot area.

Can you mix Roundup and MSMA?

MSMA often antagonized efficacy of glyphosate and glufosinate on several broadleaf and grass weeds. Thus, MSMA is not compatible in tank mixtures with either glyphosate or glufosinate.

What temperature do you spray MSMA?

Apply during warm weather when temperature is between 80°F and 90°F. Do not water turf for at least 24 hours after application. Turfgrass may be temporarily discolored. Bermudagrass, Bluegrass, and Zoysiagrass have shown tolerance if this product is properly applied.

How long after MSMA can I seed?

Reseeding, overseeding or sprigging of treated areas within one (1) month after application of this product could inhibit the establishment of desirable turfgrasses so you do need to wait. 3 of 14 people found this answer helpful.

How much MSMA do you use per acre?

Mix this product at a rate of 2.5 to 6 pints per 40 to 50 gallons of water per acre. Use higher rates and spray volume for dense weed growth. For small areas, use 1 to 2 fluid ounces in 5 gallons per 1,000 square feet.

How do I keep weeds out of my Bermuda grass?

Spray on a warm afternoon (approx 60 degrees) when the weeds are young and actively growing. It may take two applications to kill them. You can also spray during the winter with a non selective weed control like Round-Up. Make sure your Bermuda grass is completely brown and spray only the leaves of the weeds.