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Effective Ways on How to Kill Dallisgrass

Are you having problems with dallisgrass?

Do you want to know how you can get rid of it in the most efficient way possible?

For people who don’t know, dallisgrass can become stubborn; wherein they can keep growing in your lawn if you don’t know how to kill them properly. Fortunately, there are some tips on how to kill dallisgrass and they are very easy to execute.


Dallisgrass came from the Argentina and Uruguay and was introduced in the US during the 1800s. They are a type of plant that can grow fast and can survive southern climes. Dallisgrass can release 15,000 seeds and can survive for six years. The problem with this is grass is that it has is that it is prone to ergot fungus, which is known to be toxic.

dallisgrass killer


This is the main reason why controlling dallisgrass has been a concern for both public and private owners of lawns. This grass grows in a circular large clump, smothering the other types of grass in its way.

The root that it has thrived in moist soil, which is why it can be difficult to control it. They usually love fertilizers, which most lawn owners are using to keep the health of their lawn perfect.

how to kill dallisgrass and maintain the health of your lawn


So you may now be eager to know how to kill dallisgrass and maintain the health of your lawn in perfect shape. Start reading the tips below and more efficiently kill this grass that is ruining your lawn.

Read also: What is the difference between Dallisgrass vs Crabgrass?

Eliminating the Taproot

One of the most effective ways on how to kill dallisgrass is by removing the taproot.

A taproot is the grass' primary root and grows downward vertically from its stem. It is known as the center of support of the grass. It also can survive no matter what season you are in, so you may expect to see dallisgrass all year round.

kill dallisgrass is by removing the taproot


The taproot is located 2 to 3 feet beneath the soil, which can easily be pulled from the wet ground. If the ground is not wet, you can use a puller that is long handled, weeder, auger screw, or a foot pedal puller for you to be able to pull the root out of the soil. The best season to do this is during the spring since the first seedlings appear around this time.

Lawn Mowing

Another tip that you can do to kill the dallisgrass is by regularly mowing your lawn. The reason behind this is because it will avoid the grass’ growth to be inhibited. Mowing your lawn will help you kill these grass and will also keep your lawn well manicured.

Watering and Lawn Fertilization

maintain the health of your lawn by watering it and fertilizing it regularly


The next thing that you need to do is to maintain the health of your lawn by watering it and fertilizing it regularly. If you see any spots in the yard that are bare, it would be best to start filling it with sod or seeds immediately.

This will help avoid the seeds of dallisgrass from taking over that spot. Keep your lawn thick and perfectly maintained for the weeds to have no room to spread.

Use Herbicides

When choosing herbicides, it would be best to choose powdered one are made out of corn gluten. The reason behind this is because it can help in stopping the dallisgrass from growing and germinating.

The herbicides should be spread on the lawn, though some people are spreading it to perennial beds, where there are no seeds planted.

Best Herbicides in 2020


When it comes to application, it would be best to follow the instructions that are included in the herbicides that you purchased. The reason behind this is because it will depend on the brand on how you will apply them to your lawn.

Just always remember to avoid using herbicides with cord gluten in lawns that are newly planted with seeds or beds where you are planning to sow some seeds.

Herbicide that is Pre-Emergent

Herbicides that are pre-emergent should be applied during the winter season, as this will help the germination of the dallisgrass seeds. You need to use this before the germination part for it to be effective. Just remember that using this may affect your grass’ growth, but you should not worry much since it can recover immediately.

Pour Boiling Water

Pouring boiling water on the dallisgrass will surely kill the grass after a few days. You can do this 3 to 4 times daily until the grass dies.

Pouring boiling water on the dallisgrass


Vinegar Solution

Using your vinegar at home, you can immediately kill the dallisgrass in no time. Start boiling it for you to be able to convert the liquid into a more concentrated form. Carefully apply the vinegar to the leaves of the grass.

Once you’re done, you can pour the remaining vinegar around the lawn. You need to be careful in applying this solution since it can cause damage to your other grass.

will vinegar kill dallisgrass


Table Salt

Another solution that you can use which you can easily find at home is a table salt. Start putting a tablespoon at the grass’ base. You also need to be careful in putting in salt since it can kill the surrounding healthy plants in your lawn, which you surely don’t want to happen.

best herbicide in the market


Now, if you are worried about killing the grass that you have in your lawn, you may want to consider a herbicide that is selective. This means that it will only focus on the dallisgrass itself and the grasses surrounding it will be saved. You can choose between synthetic or organic herbicides, depending on your preferences.

Here’s a video on how you can kill a dallisgrass.

​These are some of the tips on how to kill dallisgrass efficiently and the safest way for you and your family since most of these solutions are natural. Start eliminating these stubborn grass in your lawn, for it to stay healthy and green.

I hope you had fun learning the tips on how to kill dallisgrass in the most efficient manner possible. Start sharing this article for you and me to be able to help other people with their problems on dallisgrass.​

About the Author Ann Katelyn

I'm Ann Katelyn, Creator and Chief Author of Sumo Gardener. Since I was a child I've always been fascinated with plants and gardens, and as an adult this has developed into my most loved hobby. I have dedicated most of my life to gardening and started Sumo Gardener as a way to express my knowledge about gardening with the hope of helping other people's gardens thrive.

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