Dallisgrass Control

Most Effective Products

MSMA Target 6 Plus Herbicide
Suspended Concentrate
As low as $106.66
Celsius WG Herbicide
Water Dispersible Granule (WDG)
As low as $12.32
Nanotek Surfactant
As low as $27.99
Dimension 2EW Herbicide
Emulsifiable Concentrate (EC)
As low as $143.67
Keith's Pro Tips

"Controlling dallisgrass as soon as you notice it on your lawn is crucial because every dallisgrass seed is fertile; they do not require pollination."

Dallisgrass Control: How To Get Rid of Dallisgrass

This page is a general DIY guide for controlling dallisgrass. Using the recommended products and methods, you can control dallisgrass. Follow this DIY article and use the recommended products; we guarantee 100% control of dallisgrass.

Dallisgrass, also called paspalum, sticky heads, Dallas grass, or water grass, is a grassy weed that appears during the warmer parts of the year. The plant is named after Georgia farmer A.T. Dallis, who was a big supporter of the plant and brought it onto his pastures in the late 1800s. Little did he know that his name would be attached to a hated invasive weed that drives landowners crazy due to its hard control.

Dallisgrass is a troublesome perennial weed, meaning that it will come back from its roots year after year. It invades all types of turf grass: Bermuda, St. Augustine, Zoysia, and buffalograss. They are all unable to withstand its assault.

One of the big reasons dallisgrass tends to thrive is soil compaction. If there is a lot of foot traffic, your desired grass could get beat down, while dallisgrass may thrive in the same conditions.

Dallisgrass control requires persistence, or this unsightly grassy weed will become the turfgrass of your nightmares. Our simple DIY dallisgrass treatment guide will show you how to remove this terrible weed from your lawn.

Follow the step-by-step instructions below using the recommended herbicides to the right, and your lawn will be free of dallisgrass in no time.


Dallisgrass in Turf

Before moving forward with a treatment program, you will need to properly identify Dallisgrass by knowing what it looks like. Misidentifying dallisgrass can lead to using the wrong herbicides, costing you time and money. Here are some traits to look out for when identifying dallisgrass:

  • Dallisgrass can be identified by its distinguishing clump, which gradually grows circularly. Unlike most grasses, which grow in clumps and bunches,
  • Dallisgrass stands out due to its short rhizomes that increase the diameter of the plant and store carbohydrates.
  • The way dallisgrass grows makes controlling it frustratingly hard as the grass may avoid being chopped down by a lawnmower, and they can be hard to pull out of the grass because of the thick and fibrous roots, which can reach down to 1 meter deep in the soil.

Dallisgrass vs. Crabgrass

  • Dallisgrass is similar to crabgrass, and each weed can easily be confused with one another. An easy way to know you have dallisgrass vs. crabgrass is to notice its growth pattern.
  • Dallisgrass will typically grow taller and fuller, whereas crabgrass grows outward (it will appear crab-like when looking at it straight down). In the picture above, dallisgrass is on the left, and crabgrass is on the right.

Use the above description and images to help you identify dallisgrass on your lawn. If you are unsure whether the plant is dallisgrass, contact us with a photo of the plant, and we will properly identify the weed for you and give you the proper product recommendations.


Dallisgrass Seed Heads

After you have confirmed that the weed you are encountering is dallisgrass, you can proceed with the inspection. During this phase, you will need to pinpoint the areas where dallisgrass is concentrated and the area's conditions. This will help you determine where to focus your herbicide treatment.

Where to Inspect

Walk around your lawn, observe where dallisgrass is concentrated, and determine how big of an infestation you have on your lawn. Dallisgrass grows especially around areas that are warm and moist during the summertime.

What To Look For

Search for outbreaks of dallisgrass weed. The weed appears in star-like clumps with seed stalks with three to five finger-like segments covered with fine, silken hairs.


Please be sure that when handling any herbicide, you are properly protecting your skin and eyes with safety equipment (Goggles, gloves, and long-sleeved clothing)

Chemical options are your best bet to get rid of dallisgrass, especially if you have a large outbreak that will be time-consuming and take too much work to dig out. We recommend using a post-emergent herbicide like Celsius WG to kill and suppress dallisgrass.

If you are a licensed professional applicator treating a commercial property or agricultural setting, check out MSMA Target 6 Herbicide, our go-to option for non-residential areas.

Step 1: Mix and Apply Celsius WG

Mix and apply Celsius WG to control Dallisgrass

Celsius WG is a post-emergent herbicide in water-dispersible granules. It is an excellent dallisgrass killer and can also be used on St. Augustine grass, Bermudagrass, and other warm-season grasses to control perennial and broadleaf weeds.

Before mixing Celsius WG into your sprayer, determine how much Celsius WG you need by calculating the square footage of your target area.

To do this you will need to measure the treatment areas' length and width in feet, then multiply them together (length x width = square footage).

For spot treatments, you can treat 1,000 sq. ft. at a rate of 0.113 oz. (3.2 g) of Celsius WG in 1 gallon of water. For dallisgrass, two spot treatment applications are recommended to achieve the best possible results in controlling the weed.

A good tool to aid with your herbicide application is mixing your selected herbicide with a surfactant like Nanotek Surfactant so that your application can stick to the dallisgrass and not run off. 

Simply add 1 oz. of Nanotek Surfactant per 1 gallon of spray solution. 

Mix the Celsius WG with water first. Once it is well mixed, add the surfactant per finished gallon.

Once the product is well-mixed in your sprayer, apply it to the dallisgrass using a fan nozzle setting to get a nice, even coating.

Because of the weed's persistence, a repeated application may be necessary about 2 to 4 weeks later. Repeat treatment in intervals until the dallisgrass has died out.


Applying Dithiopyr 40WSB to lawn

Once dallisgrass has been eliminated from your property, you will need to implement preventative measures to ensure that it does not return.

  • To prevent dallisgrass from returning to your property, we recommend applying a pre-emergent herbicide before the weeds appear. Dimension 2EW Herbicide is a concentrated pre-emergent that will create a chemical barrier in the soil. However, only dallisgrass in its seedling stage will be controlled with this product. Add 0.73 fl. oz. of Dimension 2EW Herbicide per 1 gallon of water per 1,000 sq. ft. Mix and apply this product with a handheld pump sprayer or backpack sprayer. Once mixed, broadcast the solution over the treatment area. After 6 hours, water the treated area with half an inch of irrigation.
  • In addition to pre-emergents, regular lawn maintenance will help your chances of keeping dallisgrass away. Ensure your yard is healthy and densely planted with turf and regular seasonal fertilizer. Mow your lawn at 3 to 4 inches higher to help your turf better resist a reinvasion of dallisgrass. 

Key Takeaways

What is Dallisgrass?

  • Dallisgrass is a perennial grassy weed that forms large clumps and can rapidly spread over an entire lawn.

How To Get Rid of Dallisgrass

  • We recommend using Celsius WG to kill dallisgrass. Professional applicators should use MSMA Target 6 Herbicide.

Preventing Dallisgrass Reinfestation

  • Preventative measures for dallisgrass include applying Dimension 2EW Herbicide in the early spring to stop weed seeds from growing and ensuring your yard has a dense, thick stand of grass that will choke out any opportunity for Dallisgrass to re-establish.
Questions and Answers
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  1. Size:
    MSMA Target 6 Plus Herbicide
    $106.66 - $106.66
  2. Size:
    Celsius WG Herbicide
    $12.32 - $124.30
  3. Size:
    Nanotek Surfactant
    $27.99 - $98.99
  4. Size:
    Dimension 2EW Herbicide
    $143.67 - $639.50
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