How To Kill Dallisgrass In Your Garden

For any sort of gardening out there, you probably do your very best to keep your plants as happy and healthy as possible. From fertilizing and water regularly to making sure that the plants receive enough sunlight, you certainly do not skip out on any steps in order to make sure that your plants get as much tender, love, and care as possible.

That said, even though you might do your very best to keep your garden maintained, more likely than not will you run into some pesky weeds sprouting up. From chickweed to other annoying ones out there, it can be a huge pain when it comes to keeping them off your lawn.

One particular weed that you might find is dallisgrass, which is actually native to countries in South America such as Argentina and Uruguay, but has since been introduced to other parts of the world, including North America.

A vicious plant, dallisgrass can grow uncontrollably if not tended to right away, and it is susceptible to a particular fungus which can be harmful to animals if ingested.

Hence, it is necessary to get rid of dallisgrass, but you might be wondering how? Learn more in this article on how to kill dallisgrass in your garden. Soon enough, you can get right into eliminating them successfully. Let’s get to it!

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Things You Will Need For This Tutorial

First things first, you will need to consider just a few items in order to make sure that killing dallisgrass in your garden goes as smoothly and as surely as possible.

Surprisingly, there is not much you will need to do so, even if dallisgrass is quite vicious to begin with. Below, we list the things you will need to get started:

​#1. Lawn Mower

Lawn-Mower

To combat dallisgrass, the first step you will need to take involves mowing down the lawn as means of making it more manageable to spot and pinpoint the source of the weed.

When the grass is long, it can be difficult to detect it, so keeping the lawn short and neat is a better option to do.

​#2. Fertilizer

You will need fertilizer as means of replenishing any possible nutrients lost from using herbicide on the lawn. Not only that, but also it is a good idea to use it on bare spots and odd patches in the garden, since those are places where dallisgrass can take root.

​#3. Water

Watering-the-lawn

Of course, when it comes to maintaining and nourishing your garden with fertilizer, you will also need to have water to activate it for nutrients and other wholesome, growing ingredients. Water is needed before and after herbicide treatment.

​#4. Pre-emergent And Post-emergent Herbicide

Considering that dallisgrass is one of the most vicious weeds out there, you will need to obtain herbicides or some weed killers which are used before and after treatment purposes.

​Pre-emergent herbicide is specifically used before the growing season occurs, usually just before springtime. It works by forming a barrier around the weed’s seeds, which prevents it from germinating and growing, effectively causing it to die sooner than later.

​On the other hand, post-emergent herbicide is used when the weed’s plants have already started to sprout, usually during growing season in the springtime. It kills off weeds by targeting the stem and root systems.

​#5. Pruning Tools

Grass-shears

Besides lawn mowers, any other sort of pruning tools like hedge shearspruning saws, and so forth are not a bad idea to have around the house. The goal is to eradicate all of the dallisgrass in your garden, so having some backup is a good way to go.

Step-by-Step Tutorial: How To Get Rid Of Dallisgrass In Your Garden

Now that you have all your tools to eliminate dallisgrass, it is time to get started! While the process might appear daunting at first, with some knowledge and courage, you should be prepared to tackle them in no time. Here are the steps you will need to take:

1

Mow Your Lawn

Mow-the-lawn

Before you get started blasting those annoying weeds away with herbicide, you will first need to manage your lawn by mowing it down.

Especially if the grass is quite long, cutting it down short will make it much easier to manage, since you can detect the weeds more easily and know just where to target it.

That said, it is important to mow it down, but not so short that the weeds are almost invisible to you.

While it might take some time to cover the entire area of your lawn (depending on how big it is, that is), it will be worth it in the end once you eradicate the weeds and can get your garden back to normal in no time flat- literally!

2

Keep Your Lawn Healthy

Once you mow down your lawn, it is time to continue the second step in lawn management by keeping it healthy with fertilizer and plenty of water.

Although it might sound counterintuitive to grow a thick, luscious lawn when you are in the midst of destroying dallisgrass with herbicide, this step is important to ensure that, once the herbicides are applied to the lawn, the grass itself can grow back faster and remain healthier than before.

Hence, you will need to invest in appropriate grass fertilizer (organic or not), apply it to your garden (especially in random bare spots where dallisgrass are likely to cultivate), and water it thoroughly to keep it nice and thick, as means of preventing future dallisgrass from having a chance of infiltrating the area.

3

Use Pre-emergent Herbicide

Now that you have gone through lawn management, it is time to begin herbicide treatment. Starting off, you will need to use pre-emergent herbicide, which is especially appropriate just before growing season, i.e. just before springtime for most plants.

​Since dallisgrass consists of multiple spikes which contain seeds and of which are transported by wind to other garden sites, using pre-emergent herbicide will do a good job of curbing that spread.

It does so by creating a barrier around the spikes, thereby preventing the seeds from being transferred and in a way suffocating the spikes themselves. You will have to “water in” the pre-emergent herbicide in order to ensure that it is all successful.

4

Use Post-emergent Herbicide

Once the pre-emergent herbicide has been used, it is now time to finish it off with post-emergent herbicide.

While it is technically possible merely to dig out the dead weeds once it has been treated with pre-emergent herbicide, it can be time-consuming and exhausting, so post-emergent herbicide is a good alternative to use instead.

As previously mentioned, post-emergent herbicide is used to essentially kill of the stems and roots of dallisgrass. You can also pair it along with other non-specific herbicides to make sure that nothing of that sort remains in the garden.

Just be careful that it does not kill off other innocuous plants or, if so, make sure to replenish them as soon as possible once it is all done.

Conclusion​

Overall, do not let dallisgrass intimidate you with its presence in your backyard. With a little bit of research and confidence, you can kill them off in no time flat. Happy gardening!Comment and share this article, if you enjoyed it!

Happy Gardening!​

Shary Saunders
 

Shary Saunders is the founder and chief editor of sharycherry.com. Gardening and landscaping have been her passion for years. You can find Shary on Twitter at @SharySaunders. Read more about Shary here.

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